Home / 1,076,794.62-1,615,192.20-318,577.38

Finding the Fourth Proportional to 1,076,794.62, 1,615,192.20 and 318,577.38

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Solution

The fourth proportional to 1,076,794.62, 1,615,192.20 and 318,577.38 is: 477,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,794.62 : 1,615,192.20 = 318,577.38 : x
  2. Step 2: Convert to fraction form
    1,076,794.62/1,615,192.20 = 318,577.38/x
  3. Step 3: Cross multiply
    1,076,794.62x = 1,615,192.20 × 318,577.38
  4. Step 4: Simplify right side
    1,076,794.62x = 514,563,699,272.44
  5. Step 5: Solve for x
    x = 514,563,699,272.44/1,076,794.62
  6. Step 6: Final answer
    x = 477,866.15

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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.