Home / 1,344,432.42-2,015,181.45-661,789.08

Finding the Fourth Proportional to 1,344,432.42, 2,015,181.45 and 661,789.08

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Solution

The fourth proportional to 1,344,432.42, 2,015,181.45 and 661,789.08 is: 991,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,432.42 : 2,015,181.45 = 661,789.08 : x
  2. Step 2: Convert to fraction form
    1,344,432.42/2,015,181.45 = 661,789.08/x
  3. Step 3: Cross multiply
    1,344,432.42x = 2,015,181.45 × 661,789.08
  4. Step 4: Simplify right side
    1,344,432.42x = 1,333,625,077,828.57
  5. Step 5: Solve for x
    x = 1,333,625,077,828.57/1,344,432.42
  6. Step 6: Final answer
    x = 991,961.41

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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.