Home / 1,680,044.42-2,520,061.80-417,872.04

Finding the Fourth Proportional to 1,680,044.42, 2,520,061.80 and 417,872.04

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Solution

The fourth proportional to 1,680,044.42, 2,520,061.80 and 417,872.04 is: 626,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,044.42 : 2,520,061.80 = 417,872.04 : x
  2. Step 2: Convert to fraction form
    1,680,044.42/2,520,061.80 = 417,872.04/x
  3. Step 3: Cross multiply
    1,680,044.42x = 2,520,061.80 × 417,872.04
  4. Step 4: Simplify right side
    1,680,044.42x = 1,053,063,365,292.07
  5. Step 5: Solve for x
    x = 1,053,063,365,292.07/1,680,044.42
  6. Step 6: Final answer
    x = 626,806.86

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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.