Home / 988,297.67-1,363,865.91-580,408.13

Finding the Fourth Proportional to 988,297.67, 1,363,865.91 and 580,408.13

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Solution

The fourth proportional to 988,297.67, 1,363,865.91 and 580,408.13 is: 800,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,297.67 : 1,363,865.91 = 580,408.13 : x
  2. Step 2: Convert to fraction form
    988,297.67/1,363,865.91 = 580,408.13/x
  3. Step 3: Cross multiply
    988,297.67x = 1,363,865.91 × 580,408.13
  4. Step 4: Simplify right side
    988,297.67x = 791,598,862,393.85
  5. Step 5: Solve for x
    x = 791,598,862,393.85/988,297.67
  6. Step 6: Final answer
    x = 800,972.10

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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.