Home / 853,901.76-1,280,851.02-801,938.64

Finding the Fourth Proportional to 853,901.76, 1,280,851.02 and 801,938.64

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Solution

The fourth proportional to 853,901.76, 1,280,851.02 and 801,938.64 is: 1,202,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,901.76 : 1,280,851.02 = 801,938.64 : x
  2. Step 2: Convert to fraction form
    853,901.76/1,280,851.02 = 801,938.64/x
  3. Step 3: Cross multiply
    853,901.76x = 1,280,851.02 × 801,938.64
  4. Step 4: Simplify right side
    853,901.76x = 1,027,163,925,021.41
  5. Step 5: Solve for x
    x = 1,027,163,925,021.41/853,901.76
  6. Step 6: Final answer
    x = 1,202,906.44

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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.