Home / 1,245,947.42-1,869,076.84-487,691.04

Finding the Fourth Proportional to 1,245,947.42, 1,869,076.84 and 487,691.04

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Solution

The fourth proportional to 1,245,947.42, 1,869,076.84 and 487,691.04 is: 731,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,947.42 : 1,869,076.84 = 487,691.04 : x
  2. Step 2: Convert to fraction form
    1,245,947.42/1,869,076.84 = 487,691.04/x
  3. Step 3: Cross multiply
    1,245,947.42x = 1,869,076.84 × 487,691.04
  4. Step 4: Simplify right side
    1,245,947.42x = 911,532,027,939.51
  5. Step 5: Solve for x
    x = 911,532,027,939.51/1,245,947.42
  6. Step 6: Final answer
    x = 731,597.51

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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.