Home / 1,147,439.70-1,721,159.55-1,023,436.80

Finding the Fourth Proportional to 1,147,439.70, 1,721,159.55 and 1,023,436.80

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Solution

The fourth proportional to 1,147,439.70, 1,721,159.55 and 1,023,436.80 is: 1,535,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,439.70 : 1,721,159.55 = 1,023,436.80 : x
  2. Step 2: Convert to fraction form
    1,147,439.70/1,721,159.55 = 1,023,436.80/x
  3. Step 3: Cross multiply
    1,147,439.70x = 1,721,159.55 × 1,023,436.80
  4. Step 4: Simplify right side
    1,147,439.70x = 1,761,498,022,141.44
  5. Step 5: Solve for x
    x = 1,761,498,022,141.44/1,147,439.70
  6. Step 6: Final answer
    x = 1,535,155.20

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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.