Home / 1,436,226.60-2,154,655.80-425,427.60

Finding the Fourth Proportional to 1,436,226.60, 2,154,655.80 and 425,427.60

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Solution

The fourth proportional to 1,436,226.60, 2,154,655.80 and 425,427.60 is: 638,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,226.60 : 2,154,655.80 = 425,427.60 : x
  2. Step 2: Convert to fraction form
    1,436,226.60/2,154,655.80 = 425,427.60/x
  3. Step 3: Cross multiply
    1,436,226.60x = 2,154,655.80 × 425,427.60
  4. Step 4: Simplify right side
    1,436,226.60x = 916,650,045,820.08
  5. Step 5: Solve for x
    x = 916,650,045,820.08/1,436,226.60
  6. Step 6: Final answer
    x = 638,234.97

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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.