Home / 1,341,164.38-2,011,549.74-442,635.43

Finding the Fourth Proportional to 1,341,164.38, 2,011,549.74 and 442,635.43

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Solution

The fourth proportional to 1,341,164.38, 2,011,549.74 and 442,635.43 is: 663,888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,164.38 : 2,011,549.74 = 442,635.43 : x
  2. Step 2: Convert to fraction form
    1,341,164.38/2,011,549.74 = 442,635.43/x
  3. Step 3: Cross multiply
    1,341,164.38x = 2,011,549.74 × 442,635.43
  4. Step 4: Simplify right side
    1,341,164.38x = 890,383,184,131.29
  5. Step 5: Solve for x
    x = 890,383,184,131.29/1,341,164.38
  6. Step 6: Final answer
    x = 663,888.18

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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.