Home / 1,207,231.80-1,665,882.38-697,967

Finding the Fourth Proportional to 1,207,231.80, 1,665,882.38 and 697,967

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Solution

The fourth proportional to 1,207,231.80, 1,665,882.38 and 697,967 is: 963,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,231.80 : 1,665,882.38 = 697,967 : x
  2. Step 2: Convert to fraction form
    1,207,231.80/1,665,882.38 = 697,967/x
  3. Step 3: Cross multiply
    1,207,231.80x = 1,665,882.38 × 697,967
  4. Step 4: Simplify right side
    1,207,231.80x = 1,162,730,927,121.46
  5. Step 5: Solve for x
    x = 1,162,730,927,121.46/1,207,231.80
  6. Step 6: Final answer
    x = 963,138.09

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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.