Home / 915,468.30-1,373,202.45-889,224.30

Finding the Fourth Proportional to 915,468.30, 1,373,202.45 and 889,224.30

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Solution

The fourth proportional to 915,468.30, 1,373,202.45 and 889,224.30 is: 1,333,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,468.30 : 1,373,202.45 = 889,224.30 : x
  2. Step 2: Convert to fraction form
    915,468.30/1,373,202.45 = 889,224.30/x
  3. Step 3: Cross multiply
    915,468.30x = 1,373,202.45 × 889,224.30
  4. Step 4: Simplify right side
    915,468.30x = 1,221,084,987,359.53
  5. Step 5: Solve for x
    x = 1,221,084,987,359.53/915,468.30
  6. Step 6: Final answer
    x = 1,333,836.45

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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.