Home / 1,222,124.32-1,833,179.19-664,701.76

Finding the Fourth Proportional to 1,222,124.32, 1,833,179.19 and 664,701.76

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Solution

The fourth proportional to 1,222,124.32, 1,833,179.19 and 664,701.76 is: 997,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,124.32 : 1,833,179.19 = 664,701.76 : x
  2. Step 2: Convert to fraction form
    1,222,124.32/1,833,179.19 = 664,701.76/x
  3. Step 3: Cross multiply
    1,222,124.32x = 1,833,179.19 × 664,701.76
  4. Step 4: Simplify right side
    1,222,124.32x = 1,218,517,437,526.16
  5. Step 5: Solve for x
    x = 1,218,517,437,526.16/1,222,124.32
  6. Step 6: Final answer
    x = 997,048.68

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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.