Home / 1,008,175.80-1,512,263.70-949,078.20

Finding the Fourth Proportional to 1,008,175.80, 1,512,263.70 and 949,078.20

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Solution

The fourth proportional to 1,008,175.80, 1,512,263.70 and 949,078.20 is: 1,423,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,175.80 : 1,512,263.70 = 949,078.20 : x
  2. Step 2: Convert to fraction form
    1,008,175.80/1,512,263.70 = 949,078.20/x
  3. Step 3: Cross multiply
    1,008,175.80x = 1,512,263.70 × 949,078.20
  4. Step 4: Simplify right side
    1,008,175.80x = 1,435,256,510,321.34
  5. Step 5: Solve for x
    x = 1,435,256,510,321.34/1,008,175.80
  6. Step 6: Final answer
    x = 1,423,617.30

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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.