Home / 1,634,677.68-2,255,819.85-946,378.56

Finding the Fourth Proportional to 1,634,677.68, 2,255,819.85 and 946,378.56

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Solution

The fourth proportional to 1,634,677.68, 2,255,819.85 and 946,378.56 is: 1,305,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,677.68 : 2,255,819.85 = 946,378.56 : x
  2. Step 2: Convert to fraction form
    1,634,677.68/2,255,819.85 = 946,378.56/x
  3. Step 3: Cross multiply
    1,634,677.68x = 2,255,819.85 × 946,378.56
  4. Step 4: Simplify right side
    1,634,677.68x = 2,134,859,541,262.42
  5. Step 5: Solve for x
    x = 2,134,859,541,262.42/1,634,677.68
  6. Step 6: Final answer
    x = 1,305,981.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.