Home / 1,222,125.32-1,833,180.69-664,702.76

Finding the Fourth Proportional to 1,222,125.32, 1,833,180.69 and 664,702.76

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Solution

The fourth proportional to 1,222,125.32, 1,833,180.69 and 664,702.76 is: 997,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,125.32 : 1,833,180.69 = 664,702.76 : x
  2. Step 2: Convert to fraction form
    1,222,125.32/1,833,180.69 = 664,702.76/x
  3. Step 3: Cross multiply
    1,222,125.32x = 1,833,180.69 × 664,702.76
  4. Step 4: Simplify right side
    1,222,125.32x = 1,218,520,264,221.70
  5. Step 5: Solve for x
    x = 1,218,520,264,221.70/1,222,125.32
  6. Step 6: Final answer
    x = 997,050.18

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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.