Home / 1,335,676.78-2,003,493.72-424,846

Finding the Fourth Proportional to 1,335,676.78, 2,003,493.72 and 424,846

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Solution

The fourth proportional to 1,335,676.78, 2,003,493.72 and 424,846 is: 637,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,676.78 : 2,003,493.72 = 424,846 : x
  2. Step 2: Convert to fraction form
    1,335,676.78/2,003,493.72 = 424,846/x
  3. Step 3: Cross multiply
    1,335,676.78x = 2,003,493.72 × 424,846
  4. Step 4: Simplify right side
    1,335,676.78x = 851,176,292,967.12
  5. Step 5: Solve for x
    x = 851,176,292,967.12/1,335,676.78
  6. Step 6: Final answer
    x = 637,262.18

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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.