Home / 1,131,654.96-1,561,702.77-648,262.26

Finding the Fourth Proportional to 1,131,654.96, 1,561,702.77 and 648,262.26

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Solution

The fourth proportional to 1,131,654.96, 1,561,702.77 and 648,262.26 is: 894,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,654.96 : 1,561,702.77 = 648,262.26 : x
  2. Step 2: Convert to fraction form
    1,131,654.96/1,561,702.77 = 648,262.26/x
  3. Step 3: Cross multiply
    1,131,654.96x = 1,561,702.77 × 648,262.26
  4. Step 4: Simplify right side
    1,131,654.96x = 1,012,392,967,128.46
  5. Step 5: Solve for x
    x = 1,012,392,967,128.46/1,131,654.96
  6. Step 6: Final answer
    x = 894,612.76

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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.