Home / 1,131,652.59-1,561,699.49-648,259.89

Finding the Fourth Proportional to 1,131,652.59, 1,561,699.49 and 648,259.89

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Solution

The fourth proportional to 1,131,652.59, 1,561,699.49 and 648,259.89 is: 894,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,652.59 : 1,561,699.49 = 648,259.89 : x
  2. Step 2: Convert to fraction form
    1,131,652.59/1,561,699.49 = 648,259.89/x
  3. Step 3: Cross multiply
    1,131,652.59x = 1,561,699.49 × 648,259.89
  4. Step 4: Simplify right side
    1,131,652.59x = 1,012,387,139,600.46
  5. Step 5: Solve for x
    x = 1,012,387,139,600.46/1,131,652.59
  6. Step 6: Final answer
    x = 894,609.48

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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.