Home / 1,664,590.38-2,495,835.81-917,161.26

Finding the Fourth Proportional to 1,664,590.38, 2,495,835.81 and 917,161.26

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Solution

The fourth proportional to 1,664,590.38, 2,495,835.81 and 917,161.26 is: 1,375,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,590.38 : 2,495,835.81 = 917,161.26 : x
  2. Step 2: Convert to fraction form
    1,664,590.38/2,495,835.81 = 917,161.26/x
  3. Step 3: Cross multiply
    1,664,590.38x = 2,495,835.81 × 917,161.26
  4. Step 4: Simplify right side
    1,664,590.38x = 2,289,083,916,252.72
  5. Step 5: Solve for x
    x = 2,289,083,916,252.72/1,664,590.38
  6. Step 6: Final answer
    x = 1,375,163.49

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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.