Home / 1,246,629.28-1,720,348.36-673,669.45

Finding the Fourth Proportional to 1,246,629.28, 1,720,348.36 and 673,669.45

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Solution

The fourth proportional to 1,246,629.28, 1,720,348.36 and 673,669.45 is: 929,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,629.28 : 1,720,348.36 = 673,669.45 : x
  2. Step 2: Convert to fraction form
    1,246,629.28/1,720,348.36 = 673,669.45/x
  3. Step 3: Cross multiply
    1,246,629.28x = 1,720,348.36 × 673,669.45
  4. Step 4: Simplify right side
    1,246,629.28x = 1,158,946,127,504.56
  5. Step 5: Solve for x
    x = 1,158,946,127,504.56/1,246,629.28
  6. Step 6: Final answer
    x = 929,663.81

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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.