Home / 1,118,228-1,543,219.42-842,091.52

Finding the Fourth Proportional to 1,118,228, 1,543,219.42 and 842,091.52

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Solution

The fourth proportional to 1,118,228, 1,543,219.42 and 842,091.52 is: 1,162,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,228 : 1,543,219.42 = 842,091.52 : x
  2. Step 2: Convert to fraction form
    1,118,228/1,543,219.42 = 842,091.52/x
  3. Step 3: Cross multiply
    1,118,228x = 1,543,219.42 × 842,091.52
  4. Step 4: Simplify right side
    1,118,228x = 1,299,531,987,081.32
  5. Step 5: Solve for x
    x = 1,299,531,987,081.32/1,118,228
  6. Step 6: Final answer
    x = 1,162,135.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.