Home / 1,087,615.60-1,631,423.40-822,194.80

Finding the Fourth Proportional to 1,087,615.60, 1,631,423.40 and 822,194.80

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Solution

The fourth proportional to 1,087,615.60, 1,631,423.40 and 822,194.80 is: 1,233,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,615.60 : 1,631,423.40 = 822,194.80 : x
  2. Step 2: Convert to fraction form
    1,087,615.60/1,631,423.40 = 822,194.80/x
  3. Step 3: Cross multiply
    1,087,615.60x = 1,631,423.40 × 822,194.80
  4. Step 4: Simplify right side
    1,087,615.60x = 1,341,347,836,078.32
  5. Step 5: Solve for x
    x = 1,341,347,836,078.32/1,087,615.60
  6. Step 6: Final answer
    x = 1,233,292.20

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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.