Home / 706,821.60-1,060,232.40-660,165.60

Finding the Fourth Proportional to 706,821.60, 1,060,232.40 and 660,165.60

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Solution

The fourth proportional to 706,821.60, 1,060,232.40 and 660,165.60 is: 990,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,821.60 : 1,060,232.40 = 660,165.60 : x
  2. Step 2: Convert to fraction form
    706,821.60/1,060,232.40 = 660,165.60/x
  3. Step 3: Cross multiply
    706,821.60x = 1,060,232.40 × 660,165.60
  4. Step 4: Simplify right side
    706,821.60x = 699,928,958,485.44
  5. Step 5: Solve for x
    x = 699,928,958,485.44/706,821.60
  6. Step 6: Final answer
    x = 990,248.40

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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.