Home / 1,542,434.45-2,128,544.75-888,820.34

Finding the Fourth Proportional to 1,542,434.45, 2,128,544.75 and 888,820.34

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Solution

The fourth proportional to 1,542,434.45, 2,128,544.75 and 888,820.34 is: 1,226,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,434.45 : 2,128,544.75 = 888,820.34 : x
  2. Step 2: Convert to fraction form
    1,542,434.45/2,128,544.75 = 888,820.34/x
  3. Step 3: Cross multiply
    1,542,434.45x = 2,128,544.75 × 888,820.34
  4. Step 4: Simplify right side
    1,542,434.45x = 1,891,893,878,604.31
  5. Step 5: Solve for x
    x = 1,891,893,878,604.31/1,542,434.45
  6. Step 6: Final answer
    x = 1,226,563.55

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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.