Home / 1,275,652.60-1,917,626.10-904,247.80

Finding the Fourth Proportional to 1,275,652.60, 1,917,626.10 and 904,247.80

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Solution

The fourth proportional to 1,275,652.60, 1,917,626.10 and 904,247.80 is: 1,359,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,652.60 : 1,917,626.10 = 904,247.80 : x
  2. Step 2: Convert to fraction form
    1,275,652.60/1,917,626.10 = 904,247.80/x
  3. Step 3: Cross multiply
    1,275,652.60x = 1,917,626.10 × 904,247.80
  4. Step 4: Simplify right side
    1,275,652.60x = 1,734,009,182,147.58
  5. Step 5: Solve for x
    x = 1,734,009,182,147.58/1,275,652.60
  6. Step 6: Final answer
    x = 1,359,311.45

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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.