Home / 3,119,266.80-4,678,900.20-755,362.80

Finding the Fourth Proportional to 3,119,266.80, 4,678,900.20 and 755,362.80

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Solution

The fourth proportional to 3,119,266.80, 4,678,900.20 and 755,362.80 is: 1,133,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,266.80 : 4,678,900.20 = 755,362.80 : x
  2. Step 2: Convert to fraction form
    3,119,266.80/4,678,900.20 = 755,362.80/x
  3. Step 3: Cross multiply
    3,119,266.80x = 4,678,900.20 × 755,362.80
  4. Step 4: Simplify right side
    3,119,266.80x = 3,534,267,155,992.56
  5. Step 5: Solve for x
    x = 3,534,267,155,992.56/3,119,266.80
  6. Step 6: Final answer
    x = 1,133,044.20

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Similar ratio
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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.