Home / 1,428,460.74-2,143,248.68-629,181.90

Finding the Fourth Proportional to 1,428,460.74, 2,143,248.68 and 629,181.90

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Solution

The fourth proportional to 1,428,460.74, 2,143,248.68 and 629,181.90 is: 944,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,460.74 : 2,143,248.68 = 629,181.90 : x
  2. Step 2: Convert to fraction form
    1,428,460.74/2,143,248.68 = 629,181.90/x
  3. Step 3: Cross multiply
    1,428,460.74x = 2,143,248.68 × 629,181.90
  4. Step 4: Simplify right side
    1,428,460.74x = 1,348,493,276,654.89
  5. Step 5: Solve for x
    x = 1,348,493,276,654.89/1,428,460.74
  6. Step 6: Final answer
    x = 944,018.44

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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.