Home / 1,328,830.88-1,833,761.04-725,223.20

Finding the Fourth Proportional to 1,328,830.88, 1,833,761.04 and 725,223.20

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Solution

The fourth proportional to 1,328,830.88, 1,833,761.04 and 725,223.20 is: 1,000,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,830.88 : 1,833,761.04 = 725,223.20 : x
  2. Step 2: Convert to fraction form
    1,328,830.88/1,833,761.04 = 725,223.20/x
  3. Step 3: Cross multiply
    1,328,830.88x = 1,833,761.04 × 725,223.20
  4. Step 4: Simplify right side
    1,328,830.88x = 1,329,886,049,464.13
  5. Step 5: Solve for x
    x = 1,329,886,049,464.13/1,328,830.88
  6. Step 6: Final answer
    x = 1,000,794.06

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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.