Home / 976,278.80-1,464,418.20-889,187.60

Finding the Fourth Proportional to 976,278.80, 1,464,418.20 and 889,187.60

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Solution

The fourth proportional to 976,278.80, 1,464,418.20 and 889,187.60 is: 1,333,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,278.80 : 1,464,418.20 = 889,187.60 : x
  2. Step 2: Convert to fraction form
    976,278.80/1,464,418.20 = 889,187.60/x
  3. Step 3: Cross multiply
    976,278.80x = 1,464,418.20 × 889,187.60
  4. Step 4: Simplify right side
    976,278.80x = 1,302,142,504,654.32
  5. Step 5: Solve for x
    x = 1,302,142,504,654.32/976,278.80
  6. Step 6: Final answer
    x = 1,333,781.40

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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.