Home / 1,195,407.42-1,649,662.85-679,162.21

Finding the Fourth Proportional to 1,195,407.42, 1,649,662.85 and 679,162.21

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Solution

The fourth proportional to 1,195,407.42, 1,649,662.85 and 679,162.21 is: 937,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,407.42 : 1,649,662.85 = 679,162.21 : x
  2. Step 2: Convert to fraction form
    1,195,407.42/1,649,662.85 = 679,162.21/x
  3. Step 3: Cross multiply
    1,195,407.42x = 1,649,662.85 × 679,162.21
  4. Step 4: Simplify right side
    1,195,407.42x = 1,120,388,666,960.90
  5. Step 5: Solve for x
    x = 1,120,388,666,960.90/1,195,407.42
  6. Step 6: Final answer
    x = 937,244.20

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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.