Home / 1,542,112.45-2,128,338.65-888,611.33

Finding the Fourth Proportional to 1,542,112.45, 2,128,338.65 and 888,611.33

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Solution

The fourth proportional to 1,542,112.45, 2,128,338.65 and 888,611.33 is: 1,226,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,112.45 : 2,128,338.65 = 888,611.33 : x
  2. Step 2: Convert to fraction form
    1,542,112.45/2,128,338.65 = 888,611.33/x
  3. Step 3: Cross multiply
    1,542,112.45x = 2,128,338.65 × 888,611.33
  4. Step 4: Simplify right side
    1,542,112.45x = 1,891,265,846,009.28
  5. Step 5: Solve for x
    x = 1,891,265,846,009.28/1,542,112.45
  6. Step 6: Final answer
    x = 1,226,412.41

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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.