Home / 1,436,310.42-2,154,780.68-425,511.37

Finding the Fourth Proportional to 1,436,310.42, 2,154,780.68 and 425,511.37

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Solution

The fourth proportional to 1,436,310.42, 2,154,780.68 and 425,511.37 is: 638,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,310.42 : 2,154,780.68 = 425,511.37 : x
  2. Step 2: Convert to fraction form
    1,436,310.42/2,154,780.68 = 425,511.37/x
  3. Step 3: Cross multiply
    1,436,310.42x = 2,154,780.68 × 425,511.37
  4. Step 4: Simplify right side
    1,436,310.42x = 916,883,679,196.33
  5. Step 5: Solve for x
    x = 916,883,679,196.33/1,436,310.42
  6. Step 6: Final answer
    x = 638,360.39

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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.