Home / 1,090,005.32-1,635,254.04-331,914.60

Finding the Fourth Proportional to 1,090,005.32, 1,635,254.04 and 331,914.60

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Solution

The fourth proportional to 1,090,005.32, 1,635,254.04 and 331,914.60 is: 497,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,005.32 : 1,635,254.04 = 331,914.60 : x
  2. Step 2: Convert to fraction form
    1,090,005.32/1,635,254.04 = 331,914.60/x
  3. Step 3: Cross multiply
    1,090,005.32x = 1,635,254.04 × 331,914.60
  4. Step 4: Simplify right side
    1,090,005.32x = 542,764,690,584.98
  5. Step 5: Solve for x
    x = 542,764,690,584.98/1,090,005.32
  6. Step 6: Final answer
    x = 497,946.83

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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.