Home / 982,304.88-1,351,697.40-820,641.84

Finding the Fourth Proportional to 982,304.88, 1,351,697.40 and 820,641.84

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Solution

The fourth proportional to 982,304.88, 1,351,697.40 and 820,641.84 is: 1,129,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,304.88 : 1,351,697.40 = 820,641.84 : x
  2. Step 2: Convert to fraction form
    982,304.88/1,351,697.40 = 820,641.84/x
  3. Step 3: Cross multiply
    982,304.88x = 1,351,697.40 × 820,641.84
  4. Step 4: Simplify right side
    982,304.88x = 1,109,259,441,459.22
  5. Step 5: Solve for x
    x = 1,109,259,441,459.22/982,304.88
  6. Step 6: Final answer
    x = 1,129,241.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.