Home / 1,112,433.40-1,669,306.20-734,446.90

Finding the Fourth Proportional to 1,112,433.40, 1,669,306.20 and 734,446.90

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Solution

The fourth proportional to 1,112,433.40, 1,669,306.20 and 734,446.90 is: 1,102,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,433.40 : 1,669,306.20 = 734,446.90 : x
  2. Step 2: Convert to fraction form
    1,112,433.40/1,669,306.20 = 734,446.90/x
  3. Step 3: Cross multiply
    1,112,433.40x = 1,669,306.20 × 734,446.90
  4. Step 4: Simplify right side
    1,112,433.40x = 1,226,016,763,740.78
  5. Step 5: Solve for x
    x = 1,226,016,763,740.78/1,112,433.40
  6. Step 6: Final answer
    x = 1,102,103.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.