Home / 1,273,600.86-1,756,574.19-789,894.78

Finding the Fourth Proportional to 1,273,600.86, 1,756,574.19 and 789,894.78

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Solution

The fourth proportional to 1,273,600.86, 1,756,574.19 and 789,894.78 is: 1,089,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,600.86 : 1,756,574.19 = 789,894.78 : x
  2. Step 2: Convert to fraction form
    1,273,600.86/1,756,574.19 = 789,894.78/x
  3. Step 3: Cross multiply
    1,273,600.86x = 1,756,574.19 × 789,894.78
  4. Step 4: Simplify right side
    1,273,600.86x = 1,387,508,783,363.73
  5. Step 5: Solve for x
    x = 1,387,508,783,363.73/1,273,600.86
  6. Step 6: Final answer
    x = 1,089,437.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.