Home / 1,275,905.16-1,761,004.13-732,408.39

Finding the Fourth Proportional to 1,275,905.16, 1,761,004.13 and 732,408.39

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Solution

The fourth proportional to 1,275,905.16, 1,761,004.13 and 732,408.39 is: 1,010,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,905.16 : 1,761,004.13 = 732,408.39 : x
  2. Step 2: Convert to fraction form
    1,275,905.16/1,761,004.13 = 732,408.39/x
  3. Step 3: Cross multiply
    1,275,905.16x = 1,761,004.13 × 732,408.39
  4. Step 4: Simplify right side
    1,275,905.16x = 1,289,774,195,974.61
  5. Step 5: Solve for x
    x = 1,289,774,195,974.61/1,275,905.16
  6. Step 6: Final answer
    x = 1,010,869.96

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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.