Home / 1,026,579.78-1,539,738.41-427,429.26

Finding the Fourth Proportional to 1,026,579.78, 1,539,738.41 and 427,429.26

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Solution

The fourth proportional to 1,026,579.78, 1,539,738.41 and 427,429.26 is: 641,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,579.78 : 1,539,738.41 = 427,429.26 : x
  2. Step 2: Convert to fraction form
    1,026,579.78/1,539,738.41 = 427,429.26/x
  3. Step 3: Cross multiply
    1,026,579.78x = 1,539,738.41 × 427,429.26
  4. Step 4: Simplify right side
    1,026,579.78x = 658,129,247,042.73
  5. Step 5: Solve for x
    x = 658,129,247,042.73/1,026,579.78
  6. Step 6: Final answer
    x = 641,089.24

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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.