Home / 1,658,721.88-2,488,078.42-460,644.76

Finding the Fourth Proportional to 1,658,721.88, 2,488,078.42 and 460,644.76

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Solution

The fourth proportional to 1,658,721.88, 2,488,078.42 and 460,644.76 is: 690,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,721.88 : 2,488,078.42 = 460,644.76 : x
  2. Step 2: Convert to fraction form
    1,658,721.88/2,488,078.42 = 460,644.76/x
  3. Step 3: Cross multiply
    1,658,721.88x = 2,488,078.42 × 460,644.76
  4. Step 4: Simplify right side
    1,658,721.88x = 1,146,120,286,642.08
  5. Step 5: Solve for x
    x = 1,146,120,286,642.08/1,658,721.88
  6. Step 6: Final answer
    x = 690,965.92

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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.