Home / 1,108,431.48-1,662,872.40-350,391.36

Finding the Fourth Proportional to 1,108,431.48, 1,662,872.40 and 350,391.36

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Solution

The fourth proportional to 1,108,431.48, 1,662,872.40 and 350,391.36 is: 525,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,431.48 : 1,662,872.40 = 350,391.36 : x
  2. Step 2: Convert to fraction form
    1,108,431.48/1,662,872.40 = 350,391.36/x
  3. Step 3: Cross multiply
    1,108,431.48x = 1,662,872.40 × 350,391.36
  4. Step 4: Simplify right side
    1,108,431.48x = 582,656,121,742.46
  5. Step 5: Solve for x
    x = 582,656,121,742.46/1,108,431.48
  6. Step 6: Final answer
    x = 525,658.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.