Home / 785,139.10-1,177,708.65-732,651.10

Finding the Fourth Proportional to 785,139.10, 1,177,708.65 and 732,651.10

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Solution

The fourth proportional to 785,139.10, 1,177,708.65 and 732,651.10 is: 1,098,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,139.10 : 1,177,708.65 = 732,651.10 : x
  2. Step 2: Convert to fraction form
    785,139.10/1,177,708.65 = 732,651.10/x
  3. Step 3: Cross multiply
    785,139.10x = 1,177,708.65 × 732,651.10
  4. Step 4: Simplify right side
    785,139.10x = 862,849,537,902.02
  5. Step 5: Solve for x
    x = 862,849,537,902.02/785,139.10
  6. Step 6: Final answer
    x = 1,098,976.65

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Similar ratio
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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.