Home / 1,263,721.75-1,895,582.63-505,904.38

Finding the Fourth Proportional to 1,263,721.75, 1,895,582.63 and 505,904.38

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Solution

The fourth proportional to 1,263,721.75, 1,895,582.63 and 505,904.38 is: 758,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,721.75 : 1,895,582.63 = 505,904.38 : x
  2. Step 2: Convert to fraction form
    1,263,721.75/1,895,582.63 = 505,904.38/x
  3. Step 3: Cross multiply
    1,263,721.75x = 1,895,582.63 × 505,904.38
  4. Step 4: Simplify right side
    1,263,721.75x = 958,983,552,639.40
  5. Step 5: Solve for x
    x = 958,983,552,639.40/1,263,721.75
  6. Step 6: Final answer
    x = 758,856.57

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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.