Home / 1,110,452.51-1,665,678.75-400,480.55

Finding the Fourth Proportional to 1,110,452.51, 1,665,678.75 and 400,480.55

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Solution

The fourth proportional to 1,110,452.51, 1,665,678.75 and 400,480.55 is: 600,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,452.51 : 1,665,678.75 = 400,480.55 : x
  2. Step 2: Convert to fraction form
    1,110,452.51/1,665,678.75 = 400,480.55/x
  3. Step 3: Cross multiply
    1,110,452.51x = 1,665,678.75 × 400,480.55
  4. Step 4: Simplify right side
    1,110,452.51x = 667,071,933,594.92
  5. Step 5: Solve for x
    x = 667,071,933,594.92/1,110,452.51
  6. Step 6: Final answer
    x = 600,720.81

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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.