Home / 1,359,433.86-2,039,018.82-412,812.78

Finding the Fourth Proportional to 1,359,433.86, 2,039,018.82 and 412,812.78

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Solution

The fourth proportional to 1,359,433.86, 2,039,018.82 and 412,812.78 is: 619,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,433.86 : 2,039,018.82 = 412,812.78 : x
  2. Step 2: Convert to fraction form
    1,359,433.86/2,039,018.82 = 412,812.78/x
  3. Step 3: Cross multiply
    1,359,433.86x = 2,039,018.82 × 412,812.78
  4. Step 4: Simplify right side
    1,359,433.86x = 841,733,027,556.52
  5. Step 5: Solve for x
    x = 841,733,027,556.52/1,359,433.86
  6. Step 6: Final answer
    x = 619,179.10

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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.