Home / 1,313,823.92-1,813,139.24-740,851.79

Finding the Fourth Proportional to 1,313,823.92, 1,813,139.24 and 740,851.79

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Solution

The fourth proportional to 1,313,823.92, 1,813,139.24 and 740,851.79 is: 1,022,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,823.92 : 1,813,139.24 = 740,851.79 : x
  2. Step 2: Convert to fraction form
    1,313,823.92/1,813,139.24 = 740,851.79/x
  3. Step 3: Cross multiply
    1,313,823.92x = 1,813,139.24 × 740,851.79
  4. Step 4: Simplify right side
    1,313,823.92x = 1,343,267,438,703.28
  5. Step 5: Solve for x
    x = 1,343,267,438,703.28/1,313,823.92
  6. Step 6: Final answer
    x = 1,022,410.56

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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.