Home / 1,275,104.50-1,759,644.21-702,143.31

Finding the Fourth Proportional to 1,275,104.50, 1,759,644.21 and 702,143.31

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Solution

The fourth proportional to 1,275,104.50, 1,759,644.21 and 702,143.31 is: 968,957.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,104.50 : 1,759,644.21 = 702,143.31 : x
  2. Step 2: Convert to fraction form
    1,275,104.50/1,759,644.21 = 702,143.31/x
  3. Step 3: Cross multiply
    1,275,104.50x = 1,759,644.21 × 702,143.31
  4. Step 4: Simplify right side
    1,275,104.50x = 1,235,522,401,233.51
  5. Step 5: Solve for x
    x = 1,235,522,401,233.51/1,275,104.50
  6. Step 6: Final answer
    x = 968,957.76

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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.