Home / 1,111,480.22-1,667,361.64-353,051.12

Finding the Fourth Proportional to 1,111,480.22, 1,667,361.64 and 353,051.12

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Solution

The fourth proportional to 1,111,480.22, 1,667,361.64 and 353,051.12 is: 529,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,480.22 : 1,667,361.64 = 353,051.12 : x
  2. Step 2: Convert to fraction form
    1,111,480.22/1,667,361.64 = 353,051.12/x
  3. Step 3: Cross multiply
    1,111,480.22x = 1,667,361.64 × 353,051.12
  4. Step 4: Simplify right side
    1,111,480.22x = 588,663,894,447.04
  5. Step 5: Solve for x
    x = 588,663,894,447.04/1,111,480.22
  6. Step 6: Final answer
    x = 529,621.57

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Double scale
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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.