Home / 1,811,750.40-2,719,180.80-802,425.60

Finding the Fourth Proportional to 1,811,750.40, 2,719,180.80 and 802,425.60

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Solution

The fourth proportional to 1,811,750.40, 2,719,180.80 and 802,425.60 is: 1,204,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,750.40 : 2,719,180.80 = 802,425.60 : x
  2. Step 2: Convert to fraction form
    1,811,750.40/2,719,180.80 = 802,425.60/x
  3. Step 3: Cross multiply
    1,811,750.40x = 2,719,180.80 × 802,425.60
  4. Step 4: Simplify right side
    1,811,750.40x = 2,181,940,284,948.48
  5. Step 5: Solve for x
    x = 2,181,940,284,948.48/1,811,750.40
  6. Step 6: Final answer
    x = 1,204,327.20

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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.