Home / 750,469.77-1,126,153.17-689,418.10

Finding the Fourth Proportional to 750,469.77, 1,126,153.17 and 689,418.10

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Solution

The fourth proportional to 750,469.77, 1,126,153.17 and 689,418.10 is: 1,034,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,469.77 : 1,126,153.17 = 689,418.10 : x
  2. Step 2: Convert to fraction form
    750,469.77/1,126,153.17 = 689,418.10/x
  3. Step 3: Cross multiply
    750,469.77x = 1,126,153.17 × 689,418.10
  4. Step 4: Simplify right side
    750,469.77x = 776,390,378,770.38
  5. Step 5: Solve for x
    x = 776,390,378,770.38/750,469.77
  6. Step 6: Final answer
    x = 1,034,539.18

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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.