Home / 1,309,959.73-1,807,598.13-736,987.60

Finding the Fourth Proportional to 1,309,959.73, 1,807,598.13 and 736,987.60

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Solution

The fourth proportional to 1,309,959.73, 1,807,598.13 and 736,987.60 is: 1,016,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,959.73 : 1,807,598.13 = 736,987.60 : x
  2. Step 2: Convert to fraction form
    1,309,959.73/1,807,598.13 = 736,987.60/x
  3. Step 3: Cross multiply
    1,309,959.73x = 1,807,598.13 × 736,987.60
  4. Step 4: Simplify right side
    1,309,959.73x = 1,332,177,407,593.19
  5. Step 5: Solve for x
    x = 1,332,177,407,593.19/1,309,959.73
  6. Step 6: Final answer
    x = 1,016,960.58

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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.