Home / 1,436,523.12-1,982,417.20-791,966.40

Finding the Fourth Proportional to 1,436,523.12, 1,982,417.20 and 791,966.40

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Solution

The fourth proportional to 1,436,523.12, 1,982,417.20 and 791,966.40 is: 1,092,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,523.12 : 1,982,417.20 = 791,966.40 : x
  2. Step 2: Convert to fraction form
    1,436,523.12/1,982,417.20 = 791,966.40/x
  3. Step 3: Cross multiply
    1,436,523.12x = 1,982,417.20 × 791,966.40
  4. Step 4: Simplify right side
    1,436,523.12x = 1,570,007,813,182.08
  5. Step 5: Solve for x
    x = 1,570,007,813,182.08/1,436,523.12
  6. Step 6: Final answer
    x = 1,092,922.06

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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.