Home / 992,455.40-1,488,683.10-614,541.80

Finding the Fourth Proportional to 992,455.40, 1,488,683.10 and 614,541.80

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Solution

The fourth proportional to 992,455.40, 1,488,683.10 and 614,541.80 is: 921,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,455.40 : 1,488,683.10 = 614,541.80 : x
  2. Step 2: Convert to fraction form
    992,455.40/1,488,683.10 = 614,541.80/x
  3. Step 3: Cross multiply
    992,455.40x = 1,488,683.10 × 614,541.80
  4. Step 4: Simplify right side
    992,455.40x = 914,857,991,903.58
  5. Step 5: Solve for x
    x = 914,857,991,903.58/992,455.40
  6. Step 6: Final answer
    x = 921,812.70

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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.