Home / 1,807,725.28-2,494,577.52-991,909.12

Finding the Fourth Proportional to 1,807,725.28, 2,494,577.52 and 991,909.12

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Solution

The fourth proportional to 1,807,725.28, 2,494,577.52 and 991,909.12 is: 1,368,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,725.28 : 2,494,577.52 = 991,909.12 : x
  2. Step 2: Convert to fraction form
    1,807,725.28/2,494,577.52 = 991,909.12/x
  3. Step 3: Cross multiply
    1,807,725.28x = 2,494,577.52 × 991,909.12
  4. Step 4: Simplify right side
    1,807,725.28x = 2,474,394,192,634.98
  5. Step 5: Solve for x
    x = 2,474,394,192,634.98/1,807,725.28
  6. Step 6: Final answer
    x = 1,368,788.84

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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.