Home / 746,523.20-1,119,784.80-657,876.80

Finding the Fourth Proportional to 746,523.20, 1,119,784.80 and 657,876.80

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Solution

The fourth proportional to 746,523.20, 1,119,784.80 and 657,876.80 is: 986,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,523.20 : 1,119,784.80 = 657,876.80 : x
  2. Step 2: Convert to fraction form
    746,523.20/1,119,784.80 = 657,876.80/x
  3. Step 3: Cross multiply
    746,523.20x = 1,119,784.80 × 657,876.80
  4. Step 4: Simplify right side
    746,523.20x = 736,680,440,912.64
  5. Step 5: Solve for x
    x = 736,680,440,912.64/746,523.20
  6. Step 6: Final answer
    x = 986,815.20

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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.