Home / 1,016,488.80-1,525,198.68-440,288.28

Finding the Fourth Proportional to 1,016,488.80, 1,525,198.68 and 440,288.28

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Solution

The fourth proportional to 1,016,488.80, 1,525,198.68 and 440,288.28 is: 660,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,488.80 : 1,525,198.68 = 440,288.28 : x
  2. Step 2: Convert to fraction form
    1,016,488.80/1,525,198.68 = 440,288.28/x
  3. Step 3: Cross multiply
    1,016,488.80x = 1,525,198.68 × 440,288.28
  4. Step 4: Simplify right side
    1,016,488.80x = 671,527,103,475.47
  5. Step 5: Solve for x
    x = 671,527,103,475.47/1,016,488.80
  6. Step 6: Final answer
    x = 660,634.04

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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.