Home / 1,332,881.20-1,998,738.60-533,897.20

Finding the Fourth Proportional to 1,332,881.20, 1,998,738.60 and 533,897.20

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Solution

The fourth proportional to 1,332,881.20, 1,998,738.60 and 533,897.20 is: 800,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,881.20 : 1,998,738.60 = 533,897.20 : x
  2. Step 2: Convert to fraction form
    1,332,881.20/1,998,738.60 = 533,897.20/x
  3. Step 3: Cross multiply
    1,332,881.20x = 1,998,738.60 × 533,897.20
  4. Step 4: Simplify right side
    1,332,881.20x = 1,067,120,942,071.92
  5. Step 5: Solve for x
    x = 1,067,120,942,071.92/1,332,881.20
  6. Step 6: Final answer
    x = 800,612.19

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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.