Home / 1,363,247.28-1,881,288.72-790,626.96

Finding the Fourth Proportional to 1,363,247.28, 1,881,288.72 and 790,626.96

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Solution

The fourth proportional to 1,363,247.28, 1,881,288.72 and 790,626.96 is: 1,091,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,247.28 : 1,881,288.72 = 790,626.96 : x
  2. Step 2: Convert to fraction form
    1,363,247.28/1,881,288.72 = 790,626.96/x
  3. Step 3: Cross multiply
    1,363,247.28x = 1,881,288.72 × 790,626.96
  4. Step 4: Simplify right side
    1,363,247.28x = 1,487,397,581,575.89
  5. Step 5: Solve for x
    x = 1,487,397,581,575.89/1,363,247.28
  6. Step 6: Final answer
    x = 1,091,069.54

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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.