Home / 1,640,203.02-2,460,479.76-693,669.42

Finding the Fourth Proportional to 1,640,203.02, 2,460,479.76 and 693,669.42

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Solution

The fourth proportional to 1,640,203.02, 2,460,479.76 and 693,669.42 is: 1,040,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,203.02 : 2,460,479.76 = 693,669.42 : x
  2. Step 2: Convert to fraction form
    1,640,203.02/2,460,479.76 = 693,669.42/x
  3. Step 3: Cross multiply
    1,640,203.02x = 2,460,479.76 × 693,669.42
  4. Step 4: Simplify right side
    1,640,203.02x = 1,706,759,568,040.94
  5. Step 5: Solve for x
    x = 1,706,759,568,040.94/1,640,203.02
  6. Step 6: Final answer
    x = 1,040,578.24

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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.