Home / 1,441,086.66-1,988,707.41-787,713.56

Finding the Fourth Proportional to 1,441,086.66, 1,988,707.41 and 787,713.56

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Solution

The fourth proportional to 1,441,086.66, 1,988,707.41 and 787,713.56 is: 1,087,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,086.66 : 1,988,707.41 = 787,713.56 : x
  2. Step 2: Convert to fraction form
    1,441,086.66/1,988,707.41 = 787,713.56/x
  3. Step 3: Cross multiply
    1,441,086.66x = 1,988,707.41 × 787,713.56
  4. Step 4: Simplify right side
    1,441,086.66x = 1,566,531,791,243.60
  5. Step 5: Solve for x
    x = 1,566,531,791,243.60/1,441,086.66
  6. Step 6: Final answer
    x = 1,087,048.99

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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.