Home / 1,126,939.48-1,555,105.98-617,605.72

Finding the Fourth Proportional to 1,126,939.48, 1,555,105.98 and 617,605.72

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Solution

The fourth proportional to 1,126,939.48, 1,555,105.98 and 617,605.72 is: 852,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,939.48 : 1,555,105.98 = 617,605.72 : x
  2. Step 2: Convert to fraction form
    1,126,939.48/1,555,105.98 = 617,605.72/x
  3. Step 3: Cross multiply
    1,126,939.48x = 1,555,105.98 × 617,605.72
  4. Step 4: Simplify right side
    1,126,939.48x = 960,442,348,454.21
  5. Step 5: Solve for x
    x = 960,442,348,454.21/1,126,939.48
  6. Step 6: Final answer
    x = 852,257.26

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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.