Home / 1,259,889.20-1,890,215.28-450,167.56

Finding the Fourth Proportional to 1,259,889.20, 1,890,215.28 and 450,167.56

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Solution

The fourth proportional to 1,259,889.20, 1,890,215.28 and 450,167.56 is: 675,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,889.20 : 1,890,215.28 = 450,167.56 : x
  2. Step 2: Convert to fraction form
    1,259,889.20/1,890,215.28 = 450,167.56/x
  3. Step 3: Cross multiply
    1,259,889.20x = 1,890,215.28 × 450,167.56
  4. Step 4: Simplify right side
    1,259,889.20x = 850,913,600,472.32
  5. Step 5: Solve for x
    x = 850,913,600,472.32/1,259,889.20
  6. Step 6: Final answer
    x = 675,387.65

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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.