Home / 1,314,971.10-1,972,521.45-685,115.10

Finding the Fourth Proportional to 1,314,971.10, 1,972,521.45 and 685,115.10

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Solution

The fourth proportional to 1,314,971.10, 1,972,521.45 and 685,115.10 is: 1,027,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,971.10 : 1,972,521.45 = 685,115.10 : x
  2. Step 2: Convert to fraction form
    1,314,971.10/1,972,521.45 = 685,115.10/x
  3. Step 3: Cross multiply
    1,314,971.10x = 1,972,521.45 × 685,115.10
  4. Step 4: Simplify right side
    1,314,971.10x = 1,351,404,230,468.90
  5. Step 5: Solve for x
    x = 1,351,404,230,468.90/1,314,971.10
  6. Step 6: Final answer
    x = 1,027,706.41

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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.