Home / 1,260,362.66-1,738,989.30-744,128.60

Finding the Fourth Proportional to 1,260,362.66, 1,738,989.30 and 744,128.60

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Solution

The fourth proportional to 1,260,362.66, 1,738,989.30 and 744,128.60 is: 1,026,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,362.66 : 1,738,989.30 = 744,128.60 : x
  2. Step 2: Convert to fraction form
    1,260,362.66/1,738,989.30 = 744,128.60/x
  3. Step 3: Cross multiply
    1,260,362.66x = 1,738,989.30 × 744,128.60
  4. Step 4: Simplify right side
    1,260,362.66x = 1,294,031,673,223.98
  5. Step 5: Solve for x
    x = 1,294,031,673,223.98/1,260,362.66
  6. Step 6: Final answer
    x = 1,026,713.75

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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.