Home / 1,753,273.20-2,629,909.80-1,280,881.20

Finding the Fourth Proportional to 1,753,273.20, 2,629,909.80 and 1,280,881.20

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Solution

The fourth proportional to 1,753,273.20, 2,629,909.80 and 1,280,881.20 is: 1,921,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,273.20 : 2,629,909.80 = 1,280,881.20 : x
  2. Step 2: Convert to fraction form
    1,753,273.20/2,629,909.80 = 1,280,881.20/x
  3. Step 3: Cross multiply
    1,753,273.20x = 2,629,909.80 × 1,280,881.20
  4. Step 4: Simplify right side
    1,753,273.20x = 3,368,602,020,515.76
  5. Step 5: Solve for x
    x = 3,368,602,020,515.76/1,753,273.20
  6. Step 6: Final answer
    x = 1,921,321.80

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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.