Home / 1,118,455.52-1,543,668.78-659,542.28

Finding the Fourth Proportional to 1,118,455.52, 1,543,668.78 and 659,542.28

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Solution

The fourth proportional to 1,118,455.52, 1,543,668.78 and 659,542.28 is: 910,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,455.52 : 1,543,668.78 = 659,542.28 : x
  2. Step 2: Convert to fraction form
    1,118,455.52/1,543,668.78 = 659,542.28/x
  3. Step 3: Cross multiply
    1,118,455.52x = 1,543,668.78 × 659,542.28
  4. Step 4: Simplify right side
    1,118,455.52x = 1,018,114,826,726.02
  5. Step 5: Solve for x
    x = 1,018,114,826,726.02/1,118,455.52
  6. Step 6: Final answer
    x = 910,286.38

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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.