Home / 1,132,041.25-1,698,849.20-731,689.03

Finding the Fourth Proportional to 1,132,041.25, 1,698,849.20 and 731,689.03

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Solution

The fourth proportional to 1,132,041.25, 1,698,849.20 and 731,689.03 is: 1,098,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,041.25 : 1,698,849.20 = 731,689.03 : x
  2. Step 2: Convert to fraction form
    1,132,041.25/1,698,849.20 = 731,689.03/x
  3. Step 3: Cross multiply
    1,132,041.25x = 1,698,849.20 × 731,689.03
  4. Step 4: Simplify right side
    1,132,041.25x = 1,243,029,323,101.31
  5. Step 5: Solve for x
    x = 1,243,029,323,101.31/1,132,041.25
  6. Step 6: Final answer
    x = 1,098,042.43

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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.