Home / 1,078,418.80-1,616,850.60-704,652.40

Finding the Fourth Proportional to 1,078,418.80, 1,616,850.60 and 704,652.40

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Solution

The fourth proportional to 1,078,418.80, 1,616,850.60 and 704,652.40 is: 1,056,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,418.80 : 1,616,850.60 = 704,652.40 : x
  2. Step 2: Convert to fraction form
    1,078,418.80/1,616,850.60 = 704,652.40/x
  3. Step 3: Cross multiply
    1,078,418.80x = 1,616,850.60 × 704,652.40
  4. Step 4: Simplify right side
    1,078,418.80x = 1,139,317,655,731.44
  5. Step 5: Solve for x
    x = 1,139,317,655,731.44/1,078,418.80
  6. Step 6: Final answer
    x = 1,056,470.51

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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.