Home / 785,129.60-1,177,694.40-732,641.60

Finding the Fourth Proportional to 785,129.60, 1,177,694.40 and 732,641.60

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Solution

The fourth proportional to 785,129.60, 1,177,694.40 and 732,641.60 is: 1,098,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,129.60 : 1,177,694.40 = 732,641.60 : x
  2. Step 2: Convert to fraction form
    785,129.60/1,177,694.40 = 732,641.60/x
  3. Step 3: Cross multiply
    785,129.60x = 1,177,694.40 × 732,641.60
  4. Step 4: Simplify right side
    785,129.60x = 862,827,909,527.04
  5. Step 5: Solve for x
    x = 862,827,909,527.04/785,129.60
  6. Step 6: Final answer
    x = 1,098,962.40

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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.