Home / 1,035,014.88-1,428,305.24-576,128.79

Finding the Fourth Proportional to 1,035,014.88, 1,428,305.24 and 576,128.79

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Solution

The fourth proportional to 1,035,014.88, 1,428,305.24 and 576,128.79 is: 795,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,014.88 : 1,428,305.24 = 576,128.79 : x
  2. Step 2: Convert to fraction form
    1,035,014.88/1,428,305.24 = 576,128.79/x
  3. Step 3: Cross multiply
    1,035,014.88x = 1,428,305.24 × 576,128.79
  4. Step 4: Simplify right side
    1,035,014.88x = 822,887,766,791.22
  5. Step 5: Solve for x
    x = 822,887,766,791.22/1,035,014.88
  6. Step 6: Final answer
    x = 795,049.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.