Home / 851,541.80-1,277,312.70-818,882.60

Finding the Fourth Proportional to 851,541.80, 1,277,312.70 and 818,882.60

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Solution

The fourth proportional to 851,541.80, 1,277,312.70 and 818,882.60 is: 1,228,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,541.80 : 1,277,312.70 = 818,882.60 : x
  2. Step 2: Convert to fraction form
    851,541.80/1,277,312.70 = 818,882.60/x
  3. Step 3: Cross multiply
    851,541.80x = 1,277,312.70 × 818,882.60
  4. Step 4: Simplify right side
    851,541.80x = 1,045,969,144,789.02
  5. Step 5: Solve for x
    x = 1,045,969,144,789.02/851,541.80
  6. Step 6: Final answer
    x = 1,228,323.90

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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.