Home / 1,248,821.22-1,872,473.13-489,753.30

Finding the Fourth Proportional to 1,248,821.22, 1,872,473.13 and 489,753.30

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Solution

The fourth proportional to 1,248,821.22, 1,872,473.13 and 489,753.30 is: 734,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,821.22 : 1,872,473.13 = 489,753.30 : x
  2. Step 2: Convert to fraction form
    1,248,821.22/1,872,473.13 = 489,753.30/x
  3. Step 3: Cross multiply
    1,248,821.22x = 1,872,473.13 × 489,753.30
  4. Step 4: Simplify right side
    1,248,821.22x = 917,049,894,578.83
  5. Step 5: Solve for x
    x = 917,049,894,578.83/1,248,821.22
  6. Step 6: Final answer
    x = 734,332.41

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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.