Home / 1,248,684.43-1,872,268.17-489,616.47

Finding the Fourth Proportional to 1,248,684.43, 1,872,268.17 and 489,616.47

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Solution

The fourth proportional to 1,248,684.43, 1,872,268.17 and 489,616.47 is: 734,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,684.43 : 1,872,268.17 = 489,616.47 : x
  2. Step 2: Convert to fraction form
    1,248,684.43/1,872,268.17 = 489,616.47/x
  3. Step 3: Cross multiply
    1,248,684.43x = 1,872,268.17 × 489,616.47
  4. Step 4: Simplify right side
    1,248,684.43x = 916,693,337,473.70
  5. Step 5: Solve for x
    x = 916,693,337,473.70/1,248,684.43
  6. Step 6: Final answer
    x = 734,127.31

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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.