Home / 1,294,518.31-1,942,130.12-395,940.15

Finding the Fourth Proportional to 1,294,518.31, 1,942,130.12 and 395,940.15

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Solution

The fourth proportional to 1,294,518.31, 1,942,130.12 and 395,940.15 is: 594,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,518.31 : 1,942,130.12 = 395,940.15 : x
  2. Step 2: Convert to fraction form
    1,294,518.31/1,942,130.12 = 395,940.15/x
  3. Step 3: Cross multiply
    1,294,518.31x = 1,942,130.12 × 395,940.15
  4. Step 4: Simplify right side
    1,294,518.31x = 768,967,289,052.62
  5. Step 5: Solve for x
    x = 768,967,289,052.62/1,294,518.31
  6. Step 6: Final answer
    x = 594,018.09

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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.