Home / 1,298,833.23-1,792,445.21-725,873.38

Finding the Fourth Proportional to 1,298,833.23, 1,792,445.21 and 725,873.38

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Solution

The fourth proportional to 1,298,833.23, 1,792,445.21 and 725,873.38 is: 1,001,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,833.23 : 1,792,445.21 = 725,873.38 : x
  2. Step 2: Convert to fraction form
    1,298,833.23/1,792,445.21 = 725,873.38/x
  3. Step 3: Cross multiply
    1,298,833.23x = 1,792,445.21 × 725,873.38
  4. Step 4: Simplify right side
    1,298,833.23x = 1,301,088,263,047.51
  5. Step 5: Solve for x
    x = 1,301,088,263,047.51/1,298,833.23
  6. Step 6: Final answer
    x = 1,001,736.20

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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.