Home / 1,567,414.40-2,351,121.60-819,689.60

Finding the Fourth Proportional to 1,567,414.40, 2,351,121.60 and 819,689.60

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Solution

The fourth proportional to 1,567,414.40, 2,351,121.60 and 819,689.60 is: 1,229,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,414.40 : 2,351,121.60 = 819,689.60 : x
  2. Step 2: Convert to fraction form
    1,567,414.40/2,351,121.60 = 819,689.60/x
  3. Step 3: Cross multiply
    1,567,414.40x = 2,351,121.60 × 819,689.60
  4. Step 4: Simplify right side
    1,567,414.40x = 1,927,189,923,855.36
  5. Step 5: Solve for x
    x = 1,927,189,923,855.36/1,567,414.40
  6. Step 6: Final answer
    x = 1,229,534.40

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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.