Home / 1,591,121.88-2,386,689.30-644,510.52

Finding the Fourth Proportional to 1,591,121.88, 2,386,689.30 and 644,510.52

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Solution

The fourth proportional to 1,591,121.88, 2,386,689.30 and 644,510.52 is: 966,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,121.88 : 2,386,689.30 = 644,510.52 : x
  2. Step 2: Convert to fraction form
    1,591,121.88/2,386,689.30 = 644,510.52/x
  3. Step 3: Cross multiply
    1,591,121.88x = 2,386,689.30 × 644,510.52
  4. Step 4: Simplify right side
    1,591,121.88x = 1,538,246,361,821.44
  5. Step 5: Solve for x
    x = 1,538,246,361,821.44/1,591,121.88
  6. Step 6: Final answer
    x = 966,768.40

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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.