Home / 1,807,432.40-2,494,282.16-991,621.25

Finding the Fourth Proportional to 1,807,432.40, 2,494,282.16 and 991,621.25

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Solution

The fourth proportional to 1,807,432.40, 2,494,282.16 and 991,621.25 is: 1,368,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,432.40 : 2,494,282.16 = 991,621.25 : x
  2. Step 2: Convert to fraction form
    1,807,432.40/2,494,282.16 = 991,621.25/x
  3. Step 3: Cross multiply
    1,807,432.40x = 2,494,282.16 × 991,621.25
  4. Step 4: Simplify right side
    1,807,432.40x = 2,473,383,201,165.57
  5. Step 5: Solve for x
    x = 2,473,383,201,165.57/1,807,432.40
  6. Step 6: Final answer
    x = 1,368,451.29

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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.