Home / 992,707.60-1,489,061.40-282,726.40

Finding the Fourth Proportional to 992,707.60, 1,489,061.40 and 282,726.40

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Solution

The fourth proportional to 992,707.60, 1,489,061.40 and 282,726.40 is: 424,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,707.60 : 1,489,061.40 = 282,726.40 : x
  2. Step 2: Convert to fraction form
    992,707.60/1,489,061.40 = 282,726.40/x
  3. Step 3: Cross multiply
    992,707.60x = 1,489,061.40 × 282,726.40
  4. Step 4: Simplify right side
    992,707.60x = 420,996,969,000.96
  5. Step 5: Solve for x
    x = 420,996,969,000.96/992,707.60
  6. Step 6: Final answer
    x = 424,089.60

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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.