Home / 1,395,565.56-1,926,131.82-822,572.28

Finding the Fourth Proportional to 1,395,565.56, 1,926,131.82 and 822,572.28

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Solution

The fourth proportional to 1,395,565.56, 1,926,131.82 and 822,572.28 is: 1,135,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,565.56 : 1,926,131.82 = 822,572.28 : x
  2. Step 2: Convert to fraction form
    1,395,565.56/1,926,131.82 = 822,572.28/x
  3. Step 3: Cross multiply
    1,395,565.56x = 1,926,131.82 × 822,572.28
  4. Step 4: Simplify right side
    1,395,565.56x = 1,584,382,642,757.95
  5. Step 5: Solve for x
    x = 1,584,382,642,757.95/1,395,565.56
  6. Step 6: Final answer
    x = 1,135,297.90

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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.