Home / 1,212,251.70-1,817,211.15-942,230.10

Finding the Fourth Proportional to 1,212,251.70, 1,817,211.15 and 942,230.10

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Solution

The fourth proportional to 1,212,251.70, 1,817,211.15 and 942,230.10 is: 1,412,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,251.70 : 1,817,211.15 = 942,230.10 : x
  2. Step 2: Convert to fraction form
    1,212,251.70/1,817,211.15 = 942,230.10/x
  3. Step 3: Cross multiply
    1,212,251.70x = 1,817,211.15 × 942,230.10
  4. Step 4: Simplify right side
    1,212,251.70x = 1,712,231,043,585.62
  5. Step 5: Solve for x
    x = 1,712,231,043,585.62/1,212,251.70
  6. Step 6: Final answer
    x = 1,412,438.56

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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.