Home / 1,126,503.11-1,689,754.32-748,162.55

Finding the Fourth Proportional to 1,126,503.11, 1,689,754.32 and 748,162.55

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Solution

The fourth proportional to 1,126,503.11, 1,689,754.32 and 748,162.55 is: 1,122,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,503.11 : 1,689,754.32 = 748,162.55 : x
  2. Step 2: Convert to fraction form
    1,126,503.11/1,689,754.32 = 748,162.55/x
  3. Step 3: Cross multiply
    1,126,503.11x = 1,689,754.32 × 748,162.55
  4. Step 4: Simplify right side
    1,126,503.11x = 1,264,210,892,475.94
  5. Step 5: Solve for x
    x = 1,264,210,892,475.94/1,126,503.11
  6. Step 6: Final answer
    x = 1,122,243.59

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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.