Home / 1,581,282.24-2,182,143.03-856,124.07

Finding the Fourth Proportional to 1,581,282.24, 2,182,143.03 and 856,124.07

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Solution

The fourth proportional to 1,581,282.24, 2,182,143.03 and 856,124.07 is: 1,181,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,282.24 : 2,182,143.03 = 856,124.07 : x
  2. Step 2: Convert to fraction form
    1,581,282.24/2,182,143.03 = 856,124.07/x
  3. Step 3: Cross multiply
    1,581,282.24x = 2,182,143.03 × 856,124.07
  4. Step 4: Simplify right side
    1,581,282.24x = 1,868,185,172,165.73
  5. Step 5: Solve for x
    x = 1,868,185,172,165.73/1,581,282.24
  6. Step 6: Final answer
    x = 1,181,436.89

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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.