Home / 1,301,831.23-1,796,515.29-728,880.97

Finding the Fourth Proportional to 1,301,831.23, 1,796,515.29 and 728,880.97

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Solution

The fourth proportional to 1,301,831.23, 1,796,515.29 and 728,880.97 is: 1,005,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,831.23 : 1,796,515.29 = 728,880.97 : x
  2. Step 2: Convert to fraction form
    1,301,831.23/1,796,515.29 = 728,880.97/x
  3. Step 3: Cross multiply
    1,301,831.23x = 1,796,515.29 × 728,880.97
  4. Step 4: Simplify right side
    1,301,831.23x = 1,309,445,807,195.03
  5. Step 5: Solve for x
    x = 1,309,445,807,195.03/1,301,831.23
  6. Step 6: Final answer
    x = 1,005,849.13

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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.