Home / 1,226,729.70-1,840,094.55-385,280.10

Finding the Fourth Proportional to 1,226,729.70, 1,840,094.55 and 385,280.10

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Solution

The fourth proportional to 1,226,729.70, 1,840,094.55 and 385,280.10 is: 577,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,729.70 : 1,840,094.55 = 385,280.10 : x
  2. Step 2: Convert to fraction form
    1,226,729.70/1,840,094.55 = 385,280.10/x
  3. Step 3: Cross multiply
    1,226,729.70x = 1,840,094.55 × 385,280.10
  4. Step 4: Simplify right side
    1,226,729.70x = 708,951,812,233.46
  5. Step 5: Solve for x
    x = 708,951,812,233.46/1,226,729.70
  6. Step 6: Final answer
    x = 577,920.15

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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.