Home / 1,229,081.40-1,843,622.10-1,145,100.60

Finding the Fourth Proportional to 1,229,081.40, 1,843,622.10 and 1,145,100.60

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Solution

The fourth proportional to 1,229,081.40, 1,843,622.10 and 1,145,100.60 is: 1,717,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,081.40 : 1,843,622.10 = 1,145,100.60 : x
  2. Step 2: Convert to fraction form
    1,229,081.40/1,843,622.10 = 1,145,100.60/x
  3. Step 3: Cross multiply
    1,229,081.40x = 1,843,622.10 × 1,145,100.60
  4. Step 4: Simplify right side
    1,229,081.40x = 2,111,132,772,883.26
  5. Step 5: Solve for x
    x = 2,111,132,772,883.26/1,229,081.40
  6. Step 6: Final answer
    x = 1,717,650.90

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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.