Home / 1,053,579.85-1,580,209.40-343,606.75

Finding the Fourth Proportional to 1,053,579.85, 1,580,209.40 and 343,606.75

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Solution

The fourth proportional to 1,053,579.85, 1,580,209.40 and 343,606.75 is: 515,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,579.85 : 1,580,209.40 = 343,606.75 : x
  2. Step 2: Convert to fraction form
    1,053,579.85/1,580,209.40 = 343,606.75/x
  3. Step 3: Cross multiply
    1,053,579.85x = 1,580,209.40 × 343,606.75
  4. Step 4: Simplify right side
    1,053,579.85x = 542,970,614,535.42
  5. Step 5: Solve for x
    x = 542,970,614,535.42/1,053,579.85
  6. Step 6: Final answer
    x = 515,357.82

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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.