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Finding the Fourth Proportional to 897,961.80, 1,348,497.90 and 869,968.20

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Solution

The fourth proportional to 897,961.80, 1,348,497.90 and 869,968.20 is: 1,306,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,961.80 : 1,348,497.90 = 869,968.20 : x
  2. Step 2: Convert to fraction form
    897,961.80/1,348,497.90 = 869,968.20/x
  3. Step 3: Cross multiply
    897,961.80x = 1,348,497.90 × 869,968.20
  4. Step 4: Simplify right side
    897,961.80x = 1,173,150,290,766.78
  5. Step 5: Solve for x
    x = 1,173,150,290,766.78/897,961.80
  6. Step 6: Final answer
    x = 1,306,459.02

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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.