Home / 1,195,401.35-1,649,654.47-679,156.13

Finding the Fourth Proportional to 1,195,401.35, 1,649,654.47 and 679,156.13

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Solution

The fourth proportional to 1,195,401.35, 1,649,654.47 and 679,156.13 is: 937,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,401.35 : 1,649,654.47 = 679,156.13 : x
  2. Step 2: Convert to fraction form
    1,195,401.35/1,649,654.47 = 679,156.13/x
  3. Step 3: Cross multiply
    1,195,401.35x = 1,649,654.47 × 679,156.13
  4. Step 4: Simplify right side
    1,195,401.35x = 1,120,372,943,742.13
  5. Step 5: Solve for x
    x = 1,120,372,943,742.13/1,195,401.35
  6. Step 6: Final answer
    x = 937,235.81

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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.