Home / 1,640,057.28-2,460,078.24-518,124.48

Finding the Fourth Proportional to 1,640,057.28, 2,460,078.24 and 518,124.48

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Solution

The fourth proportional to 1,640,057.28, 2,460,078.24 and 518,124.48 is: 777,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,057.28 : 2,460,078.24 = 518,124.48 : x
  2. Step 2: Convert to fraction form
    1,640,057.28/2,460,078.24 = 518,124.48/x
  3. Step 3: Cross multiply
    1,640,057.28x = 2,460,078.24 × 518,124.48
  4. Step 4: Simplify right side
    1,640,057.28x = 1,274,626,758,859.32
  5. Step 5: Solve for x
    x = 1,274,626,758,859.32/1,640,057.28
  6. Step 6: Final answer
    x = 777,184.29

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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.