Home / 1,340,965.80-2,011,448.70-1,251,736.20

Finding the Fourth Proportional to 1,340,965.80, 2,011,448.70 and 1,251,736.20

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Solution

The fourth proportional to 1,340,965.80, 2,011,448.70 and 1,251,736.20 is: 1,877,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,965.80 : 2,011,448.70 = 1,251,736.20 : x
  2. Step 2: Convert to fraction form
    1,340,965.80/2,011,448.70 = 1,251,736.20/x
  3. Step 3: Cross multiply
    1,340,965.80x = 2,011,448.70 × 1,251,736.20
  4. Step 4: Simplify right side
    1,340,965.80x = 2,517,803,152,232.94
  5. Step 5: Solve for x
    x = 2,517,803,152,232.94/1,340,965.80
  6. Step 6: Final answer
    x = 1,877,604.30

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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.