Home / 1,152,002.70-1,728,004.05-868,149.90

Finding the Fourth Proportional to 1,152,002.70, 1,728,004.05 and 868,149.90

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Solution

The fourth proportional to 1,152,002.70, 1,728,004.05 and 868,149.90 is: 1,302,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,002.70 : 1,728,004.05 = 868,149.90 : x
  2. Step 2: Convert to fraction form
    1,152,002.70/1,728,004.05 = 868,149.90/x
  3. Step 3: Cross multiply
    1,152,002.70x = 1,728,004.05 × 868,149.90
  4. Step 4: Simplify right side
    1,152,002.70x = 1,500,166,543,207.10
  5. Step 5: Solve for x
    x = 1,500,166,543,207.10/1,152,002.70
  6. Step 6: Final answer
    x = 1,302,224.85

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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.