Home / 1,334,715.30-2,002,072.95-1,245,485.70

Finding the Fourth Proportional to 1,334,715.30, 2,002,072.95 and 1,245,485.70

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Solution

The fourth proportional to 1,334,715.30, 2,002,072.95 and 1,245,485.70 is: 1,868,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,715.30 : 2,002,072.95 = 1,245,485.70 : x
  2. Step 2: Convert to fraction form
    1,334,715.30/2,002,072.95 = 1,245,485.70/x
  3. Step 3: Cross multiply
    1,334,715.30x = 2,002,072.95 × 1,245,485.70
  4. Step 4: Simplify right side
    1,334,715.30x = 2,493,553,229,581.82
  5. Step 5: Solve for x
    x = 2,493,553,229,581.82/1,334,715.30
  6. Step 6: Final answer
    x = 1,868,228.55

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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.