Home / 1,753,211.20-2,628,280.80-1,190,420.80

Finding the Fourth Proportional to 1,753,211.20, 2,628,280.80 and 1,190,420.80

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Solution

The fourth proportional to 1,753,211.20, 2,628,280.80 and 1,190,420.80 is: 1,784,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,211.20 : 2,628,280.80 = 1,190,420.80 : x
  2. Step 2: Convert to fraction form
    1,753,211.20/2,628,280.80 = 1,190,420.80/x
  3. Step 3: Cross multiply
    1,753,211.20x = 2,628,280.80 × 1,190,420.80
  4. Step 4: Simplify right side
    1,753,211.20x = 3,128,760,132,560.64
  5. Step 5: Solve for x
    x = 3,128,760,132,560.64/1,753,211.20
  6. Step 6: Final answer
    x = 1,784,588.26

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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.