Home / 1,101,577.06-1,520,231.64-688,363.42

Finding the Fourth Proportional to 1,101,577.06, 1,520,231.64 and 688,363.42

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Solution

The fourth proportional to 1,101,577.06, 1,520,231.64 and 688,363.42 is: 949,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,577.06 : 1,520,231.64 = 688,363.42 : x
  2. Step 2: Convert to fraction form
    1,101,577.06/1,520,231.64 = 688,363.42/x
  3. Step 3: Cross multiply
    1,101,577.06x = 1,520,231.64 × 688,363.42
  4. Step 4: Simplify right side
    1,101,577.06x = 1,046,471,850,902.61
  5. Step 5: Solve for x
    x = 1,046,471,850,902.61/1,101,577.06
  6. Step 6: Final answer
    x = 949,976.07

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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.