Home / 1,203,756.80-1,805,635.20-404,772.80

Finding the Fourth Proportional to 1,203,756.80, 1,805,635.20 and 404,772.80

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Solution

The fourth proportional to 1,203,756.80, 1,805,635.20 and 404,772.80 is: 607,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,756.80 : 1,805,635.20 = 404,772.80 : x
  2. Step 2: Convert to fraction form
    1,203,756.80/1,805,635.20 = 404,772.80/x
  3. Step 3: Cross multiply
    1,203,756.80x = 1,805,635.20 × 404,772.80
  4. Step 4: Simplify right side
    1,203,756.80x = 730,872,015,682.56
  5. Step 5: Solve for x
    x = 730,872,015,682.56/1,203,756.80
  6. Step 6: Final answer
    x = 607,159.20

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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.