Home / 1,298,652.32-1,792,105.80-725,697.20

Finding the Fourth Proportional to 1,298,652.32, 1,792,105.80 and 725,697.20

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Solution

The fourth proportional to 1,298,652.32, 1,792,105.80 and 725,697.20 is: 1,001,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,652.32 : 1,792,105.80 = 725,697.20 : x
  2. Step 2: Convert to fraction form
    1,298,652.32/1,792,105.80 = 725,697.20/x
  3. Step 3: Cross multiply
    1,298,652.32x = 1,792,105.80 × 725,697.20
  4. Step 4: Simplify right side
    1,298,652.32x = 1,300,526,161,163.76
  5. Step 5: Solve for x
    x = 1,300,526,161,163.76/1,298,652.32
  6. Step 6: Final answer
    x = 1,001,442.91

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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.