Home / 1,309,410.74-1,806,778.51-736,340.15

Finding the Fourth Proportional to 1,309,410.74, 1,806,778.51 and 736,340.15

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Solution

The fourth proportional to 1,309,410.74, 1,806,778.51 and 736,340.15 is: 1,016,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,410.74 : 1,806,778.51 = 736,340.15 : x
  2. Step 2: Convert to fraction form
    1,309,410.74/1,806,778.51 = 736,340.15/x
  3. Step 3: Cross multiply
    1,309,410.74x = 1,806,778.51 × 736,340.15
  4. Step 4: Simplify right side
    1,309,410.74x = 1,330,403,548,195.43
  5. Step 5: Solve for x
    x = 1,330,403,548,195.43/1,309,410.74
  6. Step 6: Final answer
    x = 1,016,032.26

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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.