Home / 853,090.40-1,274,104.88-772,968.44

Finding the Fourth Proportional to 853,090.40, 1,274,104.88 and 772,968.44

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Solution

The fourth proportional to 853,090.40, 1,274,104.88 and 772,968.44 is: 1,154,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,090.40 : 1,274,104.88 = 772,968.44 : x
  2. Step 2: Convert to fraction form
    853,090.40/1,274,104.88 = 772,968.44/x
  3. Step 3: Cross multiply
    853,090.40x = 1,274,104.88 × 772,968.44
  4. Step 4: Simplify right side
    853,090.40x = 984,842,851,254.62
  5. Step 5: Solve for x
    x = 984,842,851,254.62/853,090.40
  6. Step 6: Final answer
    x = 1,154,441.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.