Home / 691,122.36-1,036,699.92-185,683.96

Finding the Fourth Proportional to 691,122.36, 1,036,699.92 and 185,683.96

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Solution

The fourth proportional to 691,122.36, 1,036,699.92 and 185,683.96 is: 278,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,122.36 : 1,036,699.92 = 185,683.96 : x
  2. Step 2: Convert to fraction form
    691,122.36/1,036,699.92 = 185,683.96/x
  3. Step 3: Cross multiply
    691,122.36x = 1,036,699.92 × 185,683.96
  4. Step 4: Simplify right side
    691,122.36x = 192,498,546,477.28
  5. Step 5: Solve for x
    x = 192,498,546,477.28/691,122.36
  6. Step 6: Final answer
    x = 278,530.34

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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.