Home / 1,221,251.16-1,685,267.04-677,338.80

Finding the Fourth Proportional to 1,221,251.16, 1,685,267.04 and 677,338.80

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Solution

The fourth proportional to 1,221,251.16, 1,685,267.04 and 677,338.80 is: 934,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,251.16 : 1,685,267.04 = 677,338.80 : x
  2. Step 2: Convert to fraction form
    1,221,251.16/1,685,267.04 = 677,338.80/x
  3. Step 3: Cross multiply
    1,221,251.16x = 1,685,267.04 × 677,338.80
  4. Step 4: Simplify right side
    1,221,251.16x = 1,141,496,754,553.15
  5. Step 5: Solve for x
    x = 1,141,496,754,553.15/1,221,251.16
  6. Step 6: Final answer
    x = 934,694.51

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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.