Home / 1,158,836.20-1,738,254.30-1,116,845.80

Finding the Fourth Proportional to 1,158,836.20, 1,738,254.30 and 1,116,845.80

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Solution

The fourth proportional to 1,158,836.20, 1,738,254.30 and 1,116,845.80 is: 1,675,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,836.20 : 1,738,254.30 = 1,116,845.80 : x
  2. Step 2: Convert to fraction form
    1,158,836.20/1,738,254.30 = 1,116,845.80/x
  3. Step 3: Cross multiply
    1,158,836.20x = 1,738,254.30 × 1,116,845.80
  4. Step 4: Simplify right side
    1,158,836.20x = 1,941,362,014,286.94
  5. Step 5: Solve for x
    x = 1,941,362,014,286.94/1,158,836.20
  6. Step 6: Final answer
    x = 1,675,268.70

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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.