Home / 1,341,626.28-2,012,439.42-919,622.76

Finding the Fourth Proportional to 1,341,626.28, 2,012,439.42 and 919,622.76

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Solution

The fourth proportional to 1,341,626.28, 2,012,439.42 and 919,622.76 is: 1,379,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,626.28 : 2,012,439.42 = 919,622.76 : x
  2. Step 2: Convert to fraction form
    1,341,626.28/2,012,439.42 = 919,622.76/x
  3. Step 3: Cross multiply
    1,341,626.28x = 2,012,439.42 × 919,622.76
  4. Step 4: Simplify right side
    1,341,626.28x = 1,850,685,093,753.20
  5. Step 5: Solve for x
    x = 1,850,685,093,753.20/1,341,626.28
  6. Step 6: Final answer
    x = 1,379,434.14

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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.