Home / 1,341,943.20-2,011,602.60-1,200,225.60

Finding the Fourth Proportional to 1,341,943.20, 2,011,602.60 and 1,200,225.60

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Solution

The fourth proportional to 1,341,943.20, 2,011,602.60 and 1,200,225.60 is: 1,799,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,943.20 : 2,011,602.60 = 1,200,225.60 : x
  2. Step 2: Convert to fraction form
    1,341,943.20/2,011,602.60 = 1,200,225.60/x
  3. Step 3: Cross multiply
    1,341,943.20x = 2,011,602.60 × 1,200,225.60
  4. Step 4: Simplify right side
    1,341,943.20x = 2,414,376,937,546.56
  5. Step 5: Solve for x
    x = 2,414,376,937,546.56/1,341,943.20
  6. Step 6: Final answer
    x = 1,799,164.78

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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.