Home / 1,040,053.60-1,560,080.40-880,621.30

Finding the Fourth Proportional to 1,040,053.60, 1,560,080.40 and 880,621.30

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Solution

The fourth proportional to 1,040,053.60, 1,560,080.40 and 880,621.30 is: 1,320,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,053.60 : 1,560,080.40 = 880,621.30 : x
  2. Step 2: Convert to fraction form
    1,040,053.60/1,560,080.40 = 880,621.30/x
  3. Step 3: Cross multiply
    1,040,053.60x = 1,560,080.40 × 880,621.30
  4. Step 4: Simplify right side
    1,040,053.60x = 1,373,840,029,952.52
  5. Step 5: Solve for x
    x = 1,373,840,029,952.52/1,040,053.60
  6. Step 6: Final answer
    x = 1,320,931.95

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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.