Home / 1,335,042.09-2,002,563.09-886,638.78

Finding the Fourth Proportional to 1,335,042.09, 2,002,563.09 and 886,638.78

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Solution

The fourth proportional to 1,335,042.09, 2,002,563.09 and 886,638.78 is: 1,329,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,042.09 : 2,002,563.09 = 886,638.78 : x
  2. Step 2: Convert to fraction form
    1,335,042.09/2,002,563.09 = 886,638.78/x
  3. Step 3: Cross multiply
    1,335,042.09x = 2,002,563.09 × 886,638.78
  4. Step 4: Simplify right side
    1,335,042.09x = 1,775,550,094,990.63
  5. Step 5: Solve for x
    x = 1,775,550,094,990.63/1,335,042.09
  6. Step 6: Final answer
    x = 1,329,958.14

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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.