Home / 1,145,708.52-1,581,102.78-629,469.06

Finding the Fourth Proportional to 1,145,708.52, 1,581,102.78 and 629,469.06

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Solution

The fourth proportional to 1,145,708.52, 1,581,102.78 and 629,469.06 is: 868,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,708.52 : 1,581,102.78 = 629,469.06 : x
  2. Step 2: Convert to fraction form
    1,145,708.52/1,581,102.78 = 629,469.06/x
  3. Step 3: Cross multiply
    1,145,708.52x = 1,581,102.78 × 629,469.06
  4. Step 4: Simplify right side
    1,145,708.52x = 995,255,280,689.99
  5. Step 5: Solve for x
    x = 995,255,280,689.99/1,145,708.52
  6. Step 6: Final answer
    x = 868,681.05

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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.