Home / 1,336,981.86-2,004,475.41-804,378.11

Finding the Fourth Proportional to 1,336,981.86, 2,004,475.41 and 804,378.11

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Solution

The fourth proportional to 1,336,981.86, 2,004,475.41 and 804,378.11 is: 1,205,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,981.86 : 2,004,475.41 = 804,378.11 : x
  2. Step 2: Convert to fraction form
    1,336,981.86/2,004,475.41 = 804,378.11/x
  3. Step 3: Cross multiply
    1,336,981.86x = 2,004,475.41 × 804,378.11
  4. Step 4: Simplify right side
    1,336,981.86x = 1,612,356,131,814.90
  5. Step 5: Solve for x
    x = 1,612,356,131,814.90/1,336,981.86
  6. Step 6: Final answer
    x = 1,205,967.10

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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.