Home / 1,284,600.75-1,926,827.01-386,023.20

Finding the Fourth Proportional to 1,284,600.75, 1,926,827.01 and 386,023.20

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Solution

The fourth proportional to 1,284,600.75, 1,926,827.01 and 386,023.20 is: 579,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,600.75 : 1,926,827.01 = 386,023.20 : x
  2. Step 2: Convert to fraction form
    1,284,600.75/1,926,827.01 = 386,023.20/x
  3. Step 3: Cross multiply
    1,284,600.75x = 1,926,827.01 × 386,023.20
  4. Step 4: Simplify right side
    1,284,600.75x = 743,799,928,246.63
  5. Step 5: Solve for x
    x = 743,799,928,246.63/1,284,600.75
  6. Step 6: Final answer
    x = 579,012.53

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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.