Home / 1,228,246.38-1,842,369.57-479,767.50

Finding the Fourth Proportional to 1,228,246.38, 1,842,369.57 and 479,767.50

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Solution

The fourth proportional to 1,228,246.38, 1,842,369.57 and 479,767.50 is: 719,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,246.38 : 1,842,369.57 = 479,767.50 : x
  2. Step 2: Convert to fraction form
    1,228,246.38/1,842,369.57 = 479,767.50/x
  3. Step 3: Cross multiply
    1,228,246.38x = 1,842,369.57 × 479,767.50
  4. Step 4: Simplify right side
    1,228,246.38x = 883,909,042,674.98
  5. Step 5: Solve for x
    x = 883,909,042,674.98/1,228,246.38
  6. Step 6: Final answer
    x = 719,651.25

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.