Home / 992,708.10-1,489,062.15-282,726.90

Finding the Fourth Proportional to 992,708.10, 1,489,062.15 and 282,726.90

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Solution

The fourth proportional to 992,708.10, 1,489,062.15 and 282,726.90 is: 424,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,708.10 : 1,489,062.15 = 282,726.90 : x
  2. Step 2: Convert to fraction form
    992,708.10/1,489,062.15 = 282,726.90/x
  3. Step 3: Cross multiply
    992,708.10x = 1,489,062.15 × 282,726.90
  4. Step 4: Simplify right side
    992,708.10x = 420,997,925,576.84
  5. Step 5: Solve for x
    x = 420,997,925,576.84/992,708.10
  6. Step 6: Final answer
    x = 424,090.35

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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.