Home / 1,079,020.20-1,488,133.71-649,220.04

Finding the Fourth Proportional to 1,079,020.20, 1,488,133.71 and 649,220.04

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Solution

The fourth proportional to 1,079,020.20, 1,488,133.71 and 649,220.04 is: 895,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,020.20 : 1,488,133.71 = 649,220.04 : x
  2. Step 2: Convert to fraction form
    1,079,020.20/1,488,133.71 = 649,220.04/x
  3. Step 3: Cross multiply
    1,079,020.20x = 1,488,133.71 × 649,220.04
  4. Step 4: Simplify right side
    1,079,020.20x = 966,126,226,731.55
  5. Step 5: Solve for x
    x = 966,126,226,731.55/1,079,020.20
  6. Step 6: Final answer
    x = 895,373.62

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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.