Home / 995,375.20-1,493,062.80-678,114.40

Finding the Fourth Proportional to 995,375.20, 1,493,062.80 and 678,114.40

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Solution

The fourth proportional to 995,375.20, 1,493,062.80 and 678,114.40 is: 1,017,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,375.20 : 1,493,062.80 = 678,114.40 : x
  2. Step 2: Convert to fraction form
    995,375.20/1,493,062.80 = 678,114.40/x
  3. Step 3: Cross multiply
    995,375.20x = 1,493,062.80 × 678,114.40
  4. Step 4: Simplify right side
    995,375.20x = 1,012,467,384,784.32
  5. Step 5: Solve for x
    x = 1,012,467,384,784.32/995,375.20
  6. Step 6: Final answer
    x = 1,017,171.60

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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.