Home / 1,109,813.70-1,664,720.55-910,359.30

Finding the Fourth Proportional to 1,109,813.70, 1,664,720.55 and 910,359.30

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Solution

The fourth proportional to 1,109,813.70, 1,664,720.55 and 910,359.30 is: 1,365,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,813.70 : 1,664,720.55 = 910,359.30 : x
  2. Step 2: Convert to fraction form
    1,109,813.70/1,664,720.55 = 910,359.30/x
  3. Step 3: Cross multiply
    1,109,813.70x = 1,664,720.55 × 910,359.30
  4. Step 4: Simplify right side
    1,109,813.70x = 1,515,493,834,593.62
  5. Step 5: Solve for x
    x = 1,515,493,834,593.62/1,109,813.70
  6. Step 6: Final answer
    x = 1,365,538.95

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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.