Home / 1,079,248.26-1,489,488.57-897,639.78

Finding the Fourth Proportional to 1,079,248.26, 1,489,488.57 and 897,639.78

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Solution

The fourth proportional to 1,079,248.26, 1,489,488.57 and 897,639.78 is: 1,238,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,248.26 : 1,489,488.57 = 897,639.78 : x
  2. Step 2: Convert to fraction form
    1,079,248.26/1,489,488.57 = 897,639.78/x
  3. Step 3: Cross multiply
    1,079,248.26x = 1,489,488.57 × 897,639.78
  4. Step 4: Simplify right side
    1,079,248.26x = 1,337,024,192,287.31
  5. Step 5: Solve for x
    x = 1,337,024,192,287.31/1,079,248.26
  6. Step 6: Final answer
    x = 1,238,847.67

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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.