Home / 1,331,076.48-1,837,262.34-787,401.27

Finding the Fourth Proportional to 1,331,076.48, 1,837,262.34 and 787,401.27

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Solution

The fourth proportional to 1,331,076.48, 1,837,262.34 and 787,401.27 is: 1,086,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,076.48 : 1,837,262.34 = 787,401.27 : x
  2. Step 2: Convert to fraction form
    1,331,076.48/1,837,262.34 = 787,401.27/x
  3. Step 3: Cross multiply
    1,331,076.48x = 1,837,262.34 × 787,401.27
  4. Step 4: Simplify right side
    1,331,076.48x = 1,446,662,699,839.17
  5. Step 5: Solve for x
    x = 1,446,662,699,839.17/1,331,076.48
  6. Step 6: Final answer
    x = 1,086,836.65

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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.