Home / 1,131,150.18-1,560,894.45-665,930.20

Finding the Fourth Proportional to 1,131,150.18, 1,560,894.45 and 665,930.20

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Solution

The fourth proportional to 1,131,150.18, 1,560,894.45 and 665,930.20 is: 918,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,150.18 : 1,560,894.45 = 665,930.20 : x
  2. Step 2: Convert to fraction form
    1,131,150.18/1,560,894.45 = 665,930.20/x
  3. Step 3: Cross multiply
    1,131,150.18x = 1,560,894.45 × 665,930.20
  4. Step 4: Simplify right side
    1,131,150.18x = 1,039,446,753,267.39
  5. Step 5: Solve for x
    x = 1,039,446,753,267.39/1,131,150.18
  6. Step 6: Final answer
    x = 918,929.04

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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.