Home / 1,120,832.80-1,681,124.58-401,145.38

Finding the Fourth Proportional to 1,120,832.80, 1,681,124.58 and 401,145.38

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Solution

The fourth proportional to 1,120,832.80, 1,681,124.58 and 401,145.38 is: 601,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,832.80 : 1,681,124.58 = 401,145.38 : x
  2. Step 2: Convert to fraction form
    1,120,832.80/1,681,124.58 = 401,145.38/x
  3. Step 3: Cross multiply
    1,120,832.80x = 1,681,124.58 × 401,145.38
  4. Step 4: Simplify right side
    1,120,832.80x = 674,375,358,471.44
  5. Step 5: Solve for x
    x = 674,375,358,471.44/1,120,832.80
  6. Step 6: Final answer
    x = 601,673.47

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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.