Home / 1,302,917.96-1,798,062.36-729,945.92

Finding the Fourth Proportional to 1,302,917.96, 1,798,062.36 and 729,945.92

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Solution

The fourth proportional to 1,302,917.96, 1,798,062.36 and 729,945.92 is: 1,007,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,917.96 : 1,798,062.36 = 729,945.92 : x
  2. Step 2: Convert to fraction form
    1,302,917.96/1,798,062.36 = 729,945.92/x
  3. Step 3: Cross multiply
    1,302,917.96x = 1,798,062.36 × 729,945.92
  4. Step 4: Simplify right side
    1,302,917.96x = 1,312,488,283,587.57
  5. Step 5: Solve for x
    x = 1,312,488,283,587.57/1,302,917.96
  6. Step 6: Final answer
    x = 1,007,345.30

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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.