Home / 1,126,612.26-1,689,919.61-285,164.01

Finding the Fourth Proportional to 1,126,612.26, 1,689,919.61 and 285,164.01

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Solution

The fourth proportional to 1,126,612.26, 1,689,919.61 and 285,164.01 is: 427,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,612.26 : 1,689,919.61 = 285,164.01 : x
  2. Step 2: Convert to fraction form
    1,126,612.26/1,689,919.61 = 285,164.01/x
  3. Step 3: Cross multiply
    1,126,612.26x = 1,689,919.61 × 285,164.01
  4. Step 4: Simplify right side
    1,126,612.26x = 481,904,251,139.42
  5. Step 5: Solve for x
    x = 481,904,251,139.42/1,126,612.26
  6. Step 6: Final answer
    x = 427,746.32

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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.