Home / 1,386,476.24-2,080,025.40-439,877.84

Finding the Fourth Proportional to 1,386,476.24, 2,080,025.40 and 439,877.84

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Solution

The fourth proportional to 1,386,476.24, 2,080,025.40 and 439,877.84 is: 659,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,476.24 : 2,080,025.40 = 439,877.84 : x
  2. Step 2: Convert to fraction form
    1,386,476.24/2,080,025.40 = 439,877.84/x
  3. Step 3: Cross multiply
    1,386,476.24x = 2,080,025.40 × 439,877.84
  4. Step 4: Simplify right side
    1,386,476.24x = 914,957,080,097.14
  5. Step 5: Solve for x
    x = 914,957,080,097.14/1,386,476.24
  6. Step 6: Final answer
    x = 659,915.44

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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.