Home / 1,128,227.91-1,692,590.95-418,255.95

Finding the Fourth Proportional to 1,128,227.91, 1,692,590.95 and 418,255.95

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Solution

The fourth proportional to 1,128,227.91, 1,692,590.95 and 418,255.95 is: 627,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,227.91 : 1,692,590.95 = 418,255.95 : x
  2. Step 2: Convert to fraction form
    1,128,227.91/1,692,590.95 = 418,255.95/x
  3. Step 3: Cross multiply
    1,128,227.91x = 1,692,590.95 × 418,255.95
  4. Step 4: Simplify right side
    1,128,227.91x = 707,936,230,148.23
  5. Step 5: Solve for x
    x = 707,936,230,148.23/1,128,227.91
  6. Step 6: Final answer
    x = 627,476.26

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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.