Home / 1,419,376.52-1,958,671.32-807,471.80

Finding the Fourth Proportional to 1,419,376.52, 1,958,671.32 and 807,471.80

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Solution

The fourth proportional to 1,419,376.52, 1,958,671.32 and 807,471.80 is: 1,114,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,376.52 : 1,958,671.32 = 807,471.80 : x
  2. Step 2: Convert to fraction form
    1,419,376.52/1,958,671.32 = 807,471.80/x
  3. Step 3: Cross multiply
    1,419,376.52x = 1,958,671.32 × 807,471.80
  4. Step 4: Simplify right side
    1,419,376.52x = 1,581,571,856,368.78
  5. Step 5: Solve for x
    x = 1,581,571,856,368.78/1,419,376.52
  6. Step 6: Final answer
    x = 1,114,272.24

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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.