Home / 992,626.84-1,488,493.14-282,493.36

Finding the Fourth Proportional to 992,626.84, 1,488,493.14 and 282,493.36

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Solution

The fourth proportional to 992,626.84, 1,488,493.14 and 282,493.36 is: 423,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,626.84 : 1,488,493.14 = 282,493.36 : x
  2. Step 2: Convert to fraction form
    992,626.84/1,488,493.14 = 282,493.36/x
  3. Step 3: Cross multiply
    992,626.84x = 1,488,493.14 × 282,493.36
  4. Step 4: Simplify right side
    992,626.84x = 420,489,428,455.55
  5. Step 5: Solve for x
    x = 420,489,428,455.55/992,626.84
  6. Step 6: Final answer
    x = 423,612.79

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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.