Home / 1,722,462.57-2,376,907.91-947,945.38

Finding the Fourth Proportional to 1,722,462.57, 2,376,907.91 and 947,945.38

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Solution

The fourth proportional to 1,722,462.57, 2,376,907.91 and 947,945.38 is: 1,308,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,462.57 : 2,376,907.91 = 947,945.38 : x
  2. Step 2: Convert to fraction form
    1,722,462.57/2,376,907.91 = 947,945.38/x
  3. Step 3: Cross multiply
    1,722,462.57x = 2,376,907.91 × 947,945.38
  4. Step 4: Simplify right side
    1,722,462.57x = 2,253,178,864,842.75
  5. Step 5: Solve for x
    x = 2,253,178,864,842.75/1,722,462.57
  6. Step 6: Final answer
    x = 1,308,114.85

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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.