Home / 1,331,558.96-1,837,315.14-787,717.66

Finding the Fourth Proportional to 1,331,558.96, 1,837,315.14 and 787,717.66

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Solution

The fourth proportional to 1,331,558.96, 1,837,315.14 and 787,717.66 is: 1,086,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,558.96 : 1,837,315.14 = 787,717.66 : x
  2. Step 2: Convert to fraction form
    1,331,558.96/1,837,315.14 = 787,717.66/x
  3. Step 3: Cross multiply
    1,331,558.96x = 1,837,315.14 × 787,717.66
  4. Step 4: Simplify right side
    1,331,558.96x = 1,447,285,582,763.37
  5. Step 5: Solve for x
    x = 1,447,285,582,763.37/1,331,558.96
  6. Step 6: Final answer
    x = 1,086,910.63

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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.