Home / 992,457.40-1,488,686.10-614,543.80

Finding the Fourth Proportional to 992,457.40, 1,488,686.10 and 614,543.80

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Solution

The fourth proportional to 992,457.40, 1,488,686.10 and 614,543.80 is: 921,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,457.40 : 1,488,686.10 = 614,543.80 : x
  2. Step 2: Convert to fraction form
    992,457.40/1,488,686.10 = 614,543.80/x
  3. Step 3: Cross multiply
    992,457.40x = 1,488,686.10 × 614,543.80
  4. Step 4: Simplify right side
    992,457.40x = 914,862,812,901.18
  5. Step 5: Solve for x
    x = 914,862,812,901.18/992,457.40
  6. Step 6: Final answer
    x = 921,815.70

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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.