Home / 1,148,387.46-1,584,763.13-639,081.22

Finding the Fourth Proportional to 1,148,387.46, 1,584,763.13 and 639,081.22

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Solution

The fourth proportional to 1,148,387.46, 1,584,763.13 and 639,081.22 is: 881,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,387.46 : 1,584,763.13 = 639,081.22 : x
  2. Step 2: Convert to fraction form
    1,148,387.46/1,584,763.13 = 639,081.22/x
  3. Step 3: Cross multiply
    1,148,387.46x = 1,584,763.13 × 639,081.22
  4. Step 4: Simplify right side
    1,148,387.46x = 1,012,792,354,531.42
  5. Step 5: Solve for x
    x = 1,012,792,354,531.42/1,148,387.46
  6. Step 6: Final answer
    x = 881,925.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.