Home / 1,310,139.92-1,962,060.60-747,468.56

Finding the Fourth Proportional to 1,310,139.92, 1,962,060.60 and 747,468.56

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Solution

The fourth proportional to 1,310,139.92, 1,962,060.60 and 747,468.56 is: 1,119,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,139.92 : 1,962,060.60 = 747,468.56 : x
  2. Step 2: Convert to fraction form
    1,310,139.92/1,962,060.60 = 747,468.56/x
  3. Step 3: Cross multiply
    1,310,139.92x = 1,962,060.60 × 747,468.56
  4. Step 4: Simplify right side
    1,310,139.92x = 1,466,578,611,314.74
  5. Step 5: Solve for x
    x = 1,466,578,611,314.74/1,310,139.92
  6. Step 6: Final answer
    x = 1,119,406.09

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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.