Home / 1,323,921.16-1,986,179.82-482,475.88

Finding the Fourth Proportional to 1,323,921.16, 1,986,179.82 and 482,475.88

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Solution

The fourth proportional to 1,323,921.16, 1,986,179.82 and 482,475.88 is: 723,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,921.16 : 1,986,179.82 = 482,475.88 : x
  2. Step 2: Convert to fraction form
    1,323,921.16/1,986,179.82 = 482,475.88/x
  3. Step 3: Cross multiply
    1,323,921.16x = 1,986,179.82 × 482,475.88
  4. Step 4: Simplify right side
    1,323,921.16x = 958,283,856,492.74
  5. Step 5: Solve for x
    x = 958,283,856,492.74/1,323,921.16
  6. Step 6: Final answer
    x = 723,822.45

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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.