Home / 1,230,471.72-1,845,696.04-389,023.56

Finding the Fourth Proportional to 1,230,471.72, 1,845,696.04 and 389,023.56

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Solution

The fourth proportional to 1,230,471.72, 1,845,696.04 and 389,023.56 is: 583,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,471.72 : 1,845,696.04 = 389,023.56 : x
  2. Step 2: Convert to fraction form
    1,230,471.72/1,845,696.04 = 389,023.56/x
  3. Step 3: Cross multiply
    1,230,471.72x = 1,845,696.04 × 389,023.56
  4. Step 4: Simplify right side
    1,230,471.72x = 718,019,244,158.70
  5. Step 5: Solve for x
    x = 718,019,244,158.70/1,230,471.72
  6. Step 6: Final answer
    x = 583,531.69

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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.