Home / 1,640,144.36-2,460,391.44-693,610.76

Finding the Fourth Proportional to 1,640,144.36, 2,460,391.44 and 693,610.76

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Solution

The fourth proportional to 1,640,144.36, 2,460,391.44 and 693,610.76 is: 1,040,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,144.36 : 2,460,391.44 = 693,610.76 : x
  2. Step 2: Convert to fraction form
    1,640,144.36/2,460,391.44 = 693,610.76/x
  3. Step 3: Cross multiply
    1,640,144.36x = 2,460,391.44 × 693,610.76
  4. Step 4: Simplify right side
    1,640,144.36x = 1,706,553,976,595.89
  5. Step 5: Solve for x
    x = 1,706,553,976,595.89/1,640,144.36
  6. Step 6: Final answer
    x = 1,040,490.10

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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.