Home / 1,126,505.61-1,689,758.07-748,165.05

Finding the Fourth Proportional to 1,126,505.61, 1,689,758.07 and 748,165.05

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Solution

The fourth proportional to 1,126,505.61, 1,689,758.07 and 748,165.05 is: 1,122,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,505.61 : 1,689,758.07 = 748,165.05 : x
  2. Step 2: Convert to fraction form
    1,126,505.61/1,689,758.07 = 748,165.05/x
  3. Step 3: Cross multiply
    1,126,505.61x = 1,689,758.07 × 748,165.05
  4. Step 4: Simplify right side
    1,126,505.61x = 1,264,217,930,929.45
  5. Step 5: Solve for x
    x = 1,264,217,930,929.45/1,126,505.61
  6. Step 6: Final answer
    x = 1,122,247.35

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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.