Home / 1,192,799.02-1,645,939.75-709,270.73

Finding the Fourth Proportional to 1,192,799.02, 1,645,939.75 and 709,270.73

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Solution

The fourth proportional to 1,192,799.02, 1,645,939.75 and 709,270.73 is: 978,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,799.02 : 1,645,939.75 = 709,270.73 : x
  2. Step 2: Convert to fraction form
    1,192,799.02/1,645,939.75 = 709,270.73/x
  3. Step 3: Cross multiply
    1,192,799.02x = 1,645,939.75 × 709,270.73
  4. Step 4: Simplify right side
    1,192,799.02x = 1,167,416,888,018.52
  5. Step 5: Solve for x
    x = 1,167,416,888,018.52/1,192,799.02
  6. Step 6: Final answer
    x = 978,720.53

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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.