Home / 1,107,663.10-1,529,085.34-648,713.86

Finding the Fourth Proportional to 1,107,663.10, 1,529,085.34 and 648,713.86

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Solution

The fourth proportional to 1,107,663.10, 1,529,085.34 and 648,713.86 is: 895,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,663.10 : 1,529,085.34 = 648,713.86 : x
  2. Step 2: Convert to fraction form
    1,107,663.10/1,529,085.34 = 648,713.86/x
  3. Step 3: Cross multiply
    1,107,663.10x = 1,529,085.34 × 648,713.86
  4. Step 4: Simplify right side
    1,107,663.10x = 991,938,853,180.81
  5. Step 5: Solve for x
    x = 991,938,853,180.81/1,107,663.10
  6. Step 6: Final answer
    x = 895,523.97

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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.