Home / 1,325,056.93-1,987,595.75-725,691.12

Finding the Fourth Proportional to 1,325,056.93, 1,987,595.75 and 725,691.12

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Solution

The fourth proportional to 1,325,056.93, 1,987,595.75 and 725,691.12 is: 1,088,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,056.93 : 1,987,595.75 = 725,691.12 : x
  2. Step 2: Convert to fraction form
    1,325,056.93/1,987,595.75 = 725,691.12/x
  3. Step 3: Cross multiply
    1,325,056.93x = 1,987,595.75 × 725,691.12
  4. Step 4: Simplify right side
    1,325,056.93x = 1,442,380,580,285.48
  5. Step 5: Solve for x
    x = 1,442,380,580,285.48/1,325,056.93
  6. Step 6: Final answer
    x = 1,088,542.35

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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.