Home / 1,381,251.78-2,071,680.84-434,597.90

Finding the Fourth Proportional to 1,381,251.78, 2,071,680.84 and 434,597.90

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Solution

The fourth proportional to 1,381,251.78, 2,071,680.84 and 434,597.90 is: 651,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,251.78 : 2,071,680.84 = 434,597.90 : x
  2. Step 2: Convert to fraction form
    1,381,251.78/2,071,680.84 = 434,597.90/x
  3. Step 3: Cross multiply
    1,381,251.78x = 2,071,680.84 × 434,597.90
  4. Step 4: Simplify right side
    1,381,251.78x = 900,348,132,175.83
  5. Step 5: Solve for x
    x = 900,348,132,175.83/1,381,251.78
  6. Step 6: Final answer
    x = 651,834.91

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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.