Home / 1,104,002.70-1,656,004.05-394,053.90

Finding the Fourth Proportional to 1,104,002.70, 1,656,004.05 and 394,053.90

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Solution

The fourth proportional to 1,104,002.70, 1,656,004.05 and 394,053.90 is: 591,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,002.70 : 1,656,004.05 = 394,053.90 : x
  2. Step 2: Convert to fraction form
    1,104,002.70/1,656,004.05 = 394,053.90/x
  3. Step 3: Cross multiply
    1,104,002.70x = 1,656,004.05 × 394,053.90
  4. Step 4: Simplify right side
    1,104,002.70x = 652,554,854,318.30
  5. Step 5: Solve for x
    x = 652,554,854,318.30/1,104,002.70
  6. Step 6: Final answer
    x = 591,080.85

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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.