Home / 793,928.72-1,189,506.36-661,658.96

Finding the Fourth Proportional to 793,928.72, 1,189,506.36 and 661,658.96

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Solution

The fourth proportional to 793,928.72, 1,189,506.36 and 661,658.96 is: 991,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,928.72 : 1,189,506.36 = 661,658.96 : x
  2. Step 2: Convert to fraction form
    793,928.72/1,189,506.36 = 661,658.96/x
  3. Step 3: Cross multiply
    793,928.72x = 1,189,506.36 × 661,658.96
  4. Step 4: Simplify right side
    793,928.72x = 787,047,541,070.99
  5. Step 5: Solve for x
    x = 787,047,541,070.99/793,928.72
  6. Step 6: Final answer
    x = 991,332.75

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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.