Home / 699,679.20-1,047,963.60-699,679.20

Finding the Fourth Proportional to 699,679.20, 1,047,963.60 and 699,679.20

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Solution

The fourth proportional to 699,679.20, 1,047,963.60 and 699,679.20 is: 1,047,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,679.20 : 1,047,963.60 = 699,679.20 : x
  2. Step 2: Convert to fraction form
    699,679.20/1,047,963.60 = 699,679.20/x
  3. Step 3: Cross multiply
    699,679.20x = 1,047,963.60 × 699,679.20
  4. Step 4: Simplify right side
    699,679.20x = 733,238,333,277.12
  5. Step 5: Solve for x
    x = 733,238,333,277.12/699,679.20
  6. Step 6: Final answer
    x = 1,047,963.60

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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.