Home / 1,108,533.03-1,530,531.99-717,015.02

Finding the Fourth Proportional to 1,108,533.03, 1,530,531.99 and 717,015.02

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Solution

The fourth proportional to 1,108,533.03, 1,530,531.99 and 717,015.02 is: 989,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,533.03 : 1,530,531.99 = 717,015.02 : x
  2. Step 2: Convert to fraction form
    1,108,533.03/1,530,531.99 = 717,015.02/x
  3. Step 3: Cross multiply
    1,108,533.03x = 1,530,531.99 × 717,015.02
  4. Step 4: Simplify right side
    1,108,533.03x = 1,097,414,414,182.75
  5. Step 5: Solve for x
    x = 1,097,414,414,182.75/1,108,533.03
  6. Step 6: Final answer
    x = 989,969.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.