Home / 1,545,981.30-2,319,087.15-548,579.70

Finding the Fourth Proportional to 1,545,981.30, 2,319,087.15 and 548,579.70

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Solution

The fourth proportional to 1,545,981.30, 2,319,087.15 and 548,579.70 is: 822,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,981.30 : 2,319,087.15 = 548,579.70 : x
  2. Step 2: Convert to fraction form
    1,545,981.30/2,319,087.15 = 548,579.70/x
  3. Step 3: Cross multiply
    1,545,981.30x = 2,319,087.15 × 548,579.70
  4. Step 4: Simplify right side
    1,545,981.30x = 1,272,204,133,020.85
  5. Step 5: Solve for x
    x = 1,272,204,133,020.85/1,545,981.30
  6. Step 6: Final answer
    x = 822,910.43

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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.