Home / 1,543,350.40-2,311,915.20-1,039,465.60

Finding the Fourth Proportional to 1,543,350.40, 2,311,915.20 and 1,039,465.60

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Solution

The fourth proportional to 1,543,350.40, 2,311,915.20 and 1,039,465.60 is: 1,557,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,350.40 : 2,311,915.20 = 1,039,465.60 : x
  2. Step 2: Convert to fraction form
    1,543,350.40/2,311,915.20 = 1,039,465.60/x
  3. Step 3: Cross multiply
    1,543,350.40x = 2,311,915.20 × 1,039,465.60
  4. Step 4: Simplify right side
    1,543,350.40x = 2,403,156,320,517.12
  5. Step 5: Solve for x
    x = 2,403,156,320,517.12/1,543,350.40
  6. Step 6: Final answer
    x = 1,557,103.51

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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.