Home / 1,436,231.10-2,154,662.55-425,432.10

Finding the Fourth Proportional to 1,436,231.10, 2,154,662.55 and 425,432.10

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Solution

The fourth proportional to 1,436,231.10, 2,154,662.55 and 425,432.10 is: 638,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,231.10 : 2,154,662.55 = 425,432.10 : x
  2. Step 2: Convert to fraction form
    1,436,231.10/2,154,662.55 = 425,432.10/x
  3. Step 3: Cross multiply
    1,436,231.10x = 2,154,662.55 × 425,432.10
  4. Step 4: Simplify right side
    1,436,231.10x = 916,662,613,437.86
  5. Step 5: Solve for x
    x = 916,662,613,437.86/1,436,231.10
  6. Step 6: Final answer
    x = 638,241.72

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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.