Home / 1,448,666.60-2,172,135.90-888,103.40

Finding the Fourth Proportional to 1,448,666.60, 2,172,135.90 and 888,103.40

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Solution

The fourth proportional to 1,448,666.60, 2,172,135.90 and 888,103.40 is: 1,331,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,666.60 : 2,172,135.90 = 888,103.40 : x
  2. Step 2: Convert to fraction form
    1,448,666.60/2,172,135.90 = 888,103.40/x
  3. Step 3: Cross multiply
    1,448,666.60x = 2,172,135.90 × 888,103.40
  4. Step 4: Simplify right side
    1,448,666.60x = 1,929,081,278,052.06
  5. Step 5: Solve for x
    x = 1,929,081,278,052.06/1,448,666.60
  6. Step 6: Final answer
    x = 1,331,625.43

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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.