Home / 1,298,595.12-1,792,057.50-725,635.86

Finding the Fourth Proportional to 1,298,595.12, 1,792,057.50 and 725,635.86

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Solution

The fourth proportional to 1,298,595.12, 1,792,057.50 and 725,635.86 is: 1,001,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,595.12 : 1,792,057.50 = 725,635.86 : x
  2. Step 2: Convert to fraction form
    1,298,595.12/1,792,057.50 = 725,635.86/x
  3. Step 3: Cross multiply
    1,298,595.12x = 1,792,057.50 × 725,635.86
  4. Step 4: Simplify right side
    1,298,595.12x = 1,300,381,185,181.95
  5. Step 5: Solve for x
    x = 1,300,381,185,181.95/1,298,595.12
  6. Step 6: Final answer
    x = 1,001,375.38

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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.