Home / 1,011,671.72-1,396,135.14-558,991.88

Finding the Fourth Proportional to 1,011,671.72, 1,396,135.14 and 558,991.88

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Solution

The fourth proportional to 1,011,671.72, 1,396,135.14 and 558,991.88 is: 771,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,671.72 : 1,396,135.14 = 558,991.88 : x
  2. Step 2: Convert to fraction form
    1,011,671.72/1,396,135.14 = 558,991.88/x
  3. Step 3: Cross multiply
    1,011,671.72x = 1,396,135.14 × 558,991.88
  4. Step 4: Simplify right side
    1,011,671.72x = 780,428,206,642.66
  5. Step 5: Solve for x
    x = 780,428,206,642.66/1,011,671.72
  6. Step 6: Final answer
    x = 771,424.36

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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.