Home / 798,412.40-1,197,618.60-787,914.80

Finding the Fourth Proportional to 798,412.40, 1,197,618.60 and 787,914.80

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Solution

The fourth proportional to 798,412.40, 1,197,618.60 and 787,914.80 is: 1,181,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,412.40 : 1,197,618.60 = 787,914.80 : x
  2. Step 2: Convert to fraction form
    798,412.40/1,197,618.60 = 787,914.80/x
  3. Step 3: Cross multiply
    798,412.40x = 1,197,618.60 × 787,914.80
  4. Step 4: Simplify right side
    798,412.40x = 943,621,419,695.28
  5. Step 5: Solve for x
    x = 943,621,419,695.28/798,412.40
  6. Step 6: Final answer
    x = 1,181,872.20

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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.