Home / 1,290,670.24-1,936,009.00-392,119.42

Finding the Fourth Proportional to 1,290,670.24, 1,936,009.00 and 392,119.42

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Solution

The fourth proportional to 1,290,670.24, 1,936,009.00 and 392,119.42 is: 588,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,670.24 : 1,936,009.00 = 392,119.42 : x
  2. Step 2: Convert to fraction form
    1,290,670.24/1,936,009.00 = 392,119.42/x
  3. Step 3: Cross multiply
    1,290,670.24x = 1,936,009.00 × 392,119.42
  4. Step 4: Simplify right side
    1,290,670.24x = 759,146,724,234.18
  5. Step 5: Solve for x
    x = 759,146,724,234.18/1,290,670.24
  6. Step 6: Final answer
    x = 588,180.23

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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.