Home / 1,247,841.36-1,722,099.81-703,778.64

Finding the Fourth Proportional to 1,247,841.36, 1,722,099.81 and 703,778.64

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Solution

The fourth proportional to 1,247,841.36, 1,722,099.81 and 703,778.64 is: 971,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,841.36 : 1,722,099.81 = 703,778.64 : x
  2. Step 2: Convert to fraction form
    1,247,841.36/1,722,099.81 = 703,778.64/x
  3. Step 3: Cross multiply
    1,247,841.36x = 1,722,099.81 × 703,778.64
  4. Step 4: Simplify right side
    1,247,841.36x = 1,211,977,053,615.56
  5. Step 5: Solve for x
    x = 1,211,977,053,615.56/1,247,841.36
  6. Step 6: Final answer
    x = 971,258.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.