Home / 1,067,986.15-1,601,775.10-320,032.15

Finding the Fourth Proportional to 1,067,986.15, 1,601,775.10 and 320,032.15

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Solution

The fourth proportional to 1,067,986.15, 1,601,775.10 and 320,032.15 is: 479,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,986.15 : 1,601,775.10 = 320,032.15 : x
  2. Step 2: Convert to fraction form
    1,067,986.15/1,601,775.10 = 320,032.15/x
  3. Step 3: Cross multiply
    1,067,986.15x = 1,601,775.10 × 320,032.15
  4. Step 4: Simplify right side
    1,067,986.15x = 512,619,525,465.07
  5. Step 5: Solve for x
    x = 512,619,525,465.07/1,067,986.15
  6. Step 6: Final answer
    x = 479,987.05

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1.5x scale

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.