Home / 1,086,417.62-1,499,441.87-627,449.70

Finding the Fourth Proportional to 1,086,417.62, 1,499,441.87 and 627,449.70

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Solution

The fourth proportional to 1,086,417.62, 1,499,441.87 and 627,449.70 is: 865,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,417.62 : 1,499,441.87 = 627,449.70 : x
  2. Step 2: Convert to fraction form
    1,086,417.62/1,499,441.87 = 627,449.70/x
  3. Step 3: Cross multiply
    1,086,417.62x = 1,499,441.87 × 627,449.70
  4. Step 4: Simplify right side
    1,086,417.62x = 940,824,348,361.69
  5. Step 5: Solve for x
    x = 940,824,348,361.69/1,086,417.62
  6. Step 6: Final answer
    x = 865,987.75

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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.