Home / 1,581,284.24-2,182,145.78-856,126.08

Finding the Fourth Proportional to 1,581,284.24, 2,182,145.78 and 856,126.08

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Solution

The fourth proportional to 1,581,284.24, 2,182,145.78 and 856,126.08 is: 1,181,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,284.24 : 2,182,145.78 = 856,126.08 : x
  2. Step 2: Convert to fraction form
    1,581,284.24/2,182,145.78 = 856,126.08/x
  3. Step 3: Cross multiply
    1,581,284.24x = 2,182,145.78 × 856,126.08
  4. Step 4: Simplify right side
    1,581,284.24x = 1,868,191,912,619.94
  5. Step 5: Solve for x
    x = 1,868,191,912,619.94/1,581,284.24
  6. Step 6: Final answer
    x = 1,181,439.66

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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.