Home / 1,177,699.18-1,766,549.55-378,980.56

Finding the Fourth Proportional to 1,177,699.18, 1,766,549.55 and 378,980.56

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Solution

The fourth proportional to 1,177,699.18, 1,766,549.55 and 378,980.56 is: 568,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,699.18 : 1,766,549.55 = 378,980.56 : x
  2. Step 2: Convert to fraction form
    1,177,699.18/1,766,549.55 = 378,980.56/x
  3. Step 3: Cross multiply
    1,177,699.18x = 1,766,549.55 × 378,980.56
  4. Step 4: Simplify right side
    1,177,699.18x = 669,487,937,726.75
  5. Step 5: Solve for x
    x = 669,487,937,726.75/1,177,699.18
  6. Step 6: Final answer
    x = 568,471.09

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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.