Home / 1,089,988.32-1,632,619.44-527,844

Finding the Fourth Proportional to 1,089,988.32, 1,632,619.44 and 527,844

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Solution

The fourth proportional to 1,089,988.32, 1,632,619.44 and 527,844 is: 790,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,988.32 : 1,632,619.44 = 527,844 : x
  2. Step 2: Convert to fraction form
    1,089,988.32/1,632,619.44 = 527,844/x
  3. Step 3: Cross multiply
    1,089,988.32x = 1,632,619.44 × 527,844
  4. Step 4: Simplify right side
    1,089,988.32x = 861,768,375,687.36
  5. Step 5: Solve for x
    x = 861,768,375,687.36/1,089,988.32
  6. Step 6: Final answer
    x = 790,621.66

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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.