Home / 1,259,480.92-1,889,229.88-460,433.74

Finding the Fourth Proportional to 1,259,480.92, 1,889,229.88 and 460,433.74

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Solution

The fourth proportional to 1,259,480.92, 1,889,229.88 and 460,433.74 is: 690,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,480.92 : 1,889,229.88 = 460,433.74 : x
  2. Step 2: Convert to fraction form
    1,259,480.92/1,889,229.88 = 460,433.74/x
  3. Step 3: Cross multiply
    1,259,480.92x = 1,889,229.88 × 460,433.74
  4. Step 4: Simplify right side
    1,259,480.92x = 869,865,179,368.15
  5. Step 5: Solve for x
    x = 869,865,179,368.15/1,259,480.92
  6. Step 6: Final answer
    x = 690,653.72

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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.