Home / 1,230,023.76-1,845,856.44-431,304.72

Finding the Fourth Proportional to 1,230,023.76, 1,845,856.44 and 431,304.72

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Solution

The fourth proportional to 1,230,023.76, 1,845,856.44 and 431,304.72 is: 647,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,023.76 : 1,845,856.44 = 431,304.72 : x
  2. Step 2: Convert to fraction form
    1,230,023.76/1,845,856.44 = 431,304.72/x
  3. Step 3: Cross multiply
    1,230,023.76x = 1,845,856.44 × 431,304.72
  4. Step 4: Simplify right side
    1,230,023.76x = 796,126,595,014.40
  5. Step 5: Solve for x
    x = 796,126,595,014.40/1,230,023.76
  6. Step 6: Final answer
    x = 647,244.89

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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.