Home / 1,138,822-1,571,593.04-679,976.66

Finding the Fourth Proportional to 1,138,822, 1,571,593.04 and 679,976.66

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Solution

The fourth proportional to 1,138,822, 1,571,593.04 and 679,976.66 is: 938,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,822 : 1,571,593.04 = 679,976.66 : x
  2. Step 2: Convert to fraction form
    1,138,822/1,571,593.04 = 679,976.66/x
  3. Step 3: Cross multiply
    1,138,822x = 1,571,593.04 × 679,976.66
  4. Step 4: Simplify right side
    1,138,822x = 1,068,646,586,218.45
  5. Step 5: Solve for x
    x = 1,068,646,586,218.45/1,138,822
  6. Step 6: Final answer
    x = 938,378.94

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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.