Home / 1,617,256.60-2,425,884.90-987,400.60

Finding the Fourth Proportional to 1,617,256.60, 2,425,884.90 and 987,400.60

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Solution

The fourth proportional to 1,617,256.60, 2,425,884.90 and 987,400.60 is: 1,481,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,256.60 : 2,425,884.90 = 987,400.60 : x
  2. Step 2: Convert to fraction form
    1,617,256.60/2,425,884.90 = 987,400.60/x
  3. Step 3: Cross multiply
    1,617,256.60x = 2,425,884.90 × 987,400.60
  4. Step 4: Simplify right side
    1,617,256.60x = 2,395,320,205,790.94
  5. Step 5: Solve for x
    x = 2,395,320,205,790.94/1,617,256.60
  6. Step 6: Final answer
    x = 1,481,100.90

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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.