Home / 1,156,121.89-1,595,340.12-690,883.44

Finding the Fourth Proportional to 1,156,121.89, 1,595,340.12 and 690,883.44

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Solution

The fourth proportional to 1,156,121.89, 1,595,340.12 and 690,883.44 is: 953,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,121.89 : 1,595,340.12 = 690,883.44 : x
  2. Step 2: Convert to fraction form
    1,156,121.89/1,595,340.12 = 690,883.44/x
  3. Step 3: Cross multiply
    1,156,121.89x = 1,595,340.12 × 690,883.44
  4. Step 4: Simplify right side
    1,156,121.89x = 1,102,194,074,762.73
  5. Step 5: Solve for x
    x = 1,102,194,074,762.73/1,156,121.89
  6. Step 6: Final answer
    x = 953,354.56

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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.