Home / 1,028,007.20-1,541,840.70-344,885.60

Finding the Fourth Proportional to 1,028,007.20, 1,541,840.70 and 344,885.60

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Solution

The fourth proportional to 1,028,007.20, 1,541,840.70 and 344,885.60 is: 517,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,007.20 : 1,541,840.70 = 344,885.60 : x
  2. Step 2: Convert to fraction form
    1,028,007.20/1,541,840.70 = 344,885.60/x
  3. Step 3: Cross multiply
    1,028,007.20x = 1,541,840.70 × 344,885.60
  4. Step 4: Simplify right side
    1,028,007.20x = 531,758,654,923.92
  5. Step 5: Solve for x
    x = 531,758,654,923.92/1,028,007.20
  6. Step 6: Final answer
    x = 517,271.33

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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.