Home / 1,386,474.24-2,080,022.40-439,875.84

Finding the Fourth Proportional to 1,386,474.24, 2,080,022.40 and 439,875.84

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Solution

The fourth proportional to 1,386,474.24, 2,080,022.40 and 439,875.84 is: 659,912.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,474.24 : 2,080,022.40 = 439,875.84 : x
  2. Step 2: Convert to fraction form
    1,386,474.24/2,080,022.40 = 439,875.84/x
  3. Step 3: Cross multiply
    1,386,474.24x = 2,080,022.40 × 439,875.84
  4. Step 4: Simplify right side
    1,386,474.24x = 914,951,600,418.82
  5. Step 5: Solve for x
    x = 914,951,600,418.82/1,386,474.24
  6. Step 6: Final answer
    x = 659,912.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.