Home / 928,182.40-1,392,273.60-872,195.20

Finding the Fourth Proportional to 928,182.40, 1,392,273.60 and 872,195.20

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Solution

The fourth proportional to 928,182.40, 1,392,273.60 and 872,195.20 is: 1,308,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,182.40 : 1,392,273.60 = 872,195.20 : x
  2. Step 2: Convert to fraction form
    928,182.40/1,392,273.60 = 872,195.20/x
  3. Step 3: Cross multiply
    928,182.40x = 1,392,273.60 × 872,195.20
  4. Step 4: Simplify right side
    928,182.40x = 1,214,334,351,006.72
  5. Step 5: Solve for x
    x = 1,214,334,351,006.72/928,182.40
  6. Step 6: Final answer
    x = 1,308,292.80

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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.