Home / 1,293,512.96-1,785,103.08-720,553.52

Finding the Fourth Proportional to 1,293,512.96, 1,785,103.08 and 720,553.52

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Solution

The fourth proportional to 1,293,512.96, 1,785,103.08 and 720,553.52 is: 994,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,512.96 : 1,785,103.08 = 720,553.52 : x
  2. Step 2: Convert to fraction form
    1,293,512.96/1,785,103.08 = 720,553.52/x
  3. Step 3: Cross multiply
    1,293,512.96x = 1,785,103.08 × 720,553.52
  4. Step 4: Simplify right side
    1,293,512.96x = 1,286,262,307,856.84
  5. Step 5: Solve for x
    x = 1,286,262,307,856.84/1,293,512.96
  6. Step 6: Final answer
    x = 994,394.60

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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.