Home / 1,323,920.16-1,986,178.32-482,474.88

Finding the Fourth Proportional to 1,323,920.16, 1,986,178.32 and 482,474.88

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Solution

The fourth proportional to 1,323,920.16, 1,986,178.32 and 482,474.88 is: 723,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,920.16 : 1,986,178.32 = 482,474.88 : x
  2. Step 2: Convert to fraction form
    1,323,920.16/1,986,178.32 = 482,474.88/x
  3. Step 3: Cross multiply
    1,323,920.16x = 1,986,178.32 × 482,474.88
  4. Step 4: Simplify right side
    1,323,920.16x = 958,281,146,600.60
  5. Step 5: Solve for x
    x = 958,281,146,600.60/1,323,920.16
  6. Step 6: Final answer
    x = 723,820.95

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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.