Home / 1,072,009.60-1,609,243.20-629,027.20

Finding the Fourth Proportional to 1,072,009.60, 1,609,243.20 and 629,027.20

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Solution

The fourth proportional to 1,072,009.60, 1,609,243.20 and 629,027.20 is: 944,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,009.60 : 1,609,243.20 = 629,027.20 : x
  2. Step 2: Convert to fraction form
    1,072,009.60/1,609,243.20 = 629,027.20/x
  3. Step 3: Cross multiply
    1,072,009.60x = 1,609,243.20 × 629,027.20
  4. Step 4: Simplify right side
    1,072,009.60x = 1,012,257,744,215.04
  5. Step 5: Solve for x
    x = 1,012,257,744,215.04/1,072,009.60
  6. Step 6: Final answer
    x = 944,261.83

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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.