Home / 1,097,109.48-1,510,645.02-960,378.12

Finding the Fourth Proportional to 1,097,109.48, 1,510,645.02 and 960,378.12

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Solution

The fourth proportional to 1,097,109.48, 1,510,645.02 and 960,378.12 is: 1,322,375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,109.48 : 1,510,645.02 = 960,378.12 : x
  2. Step 2: Convert to fraction form
    1,097,109.48/1,510,645.02 = 960,378.12/x
  3. Step 3: Cross multiply
    1,097,109.48x = 1,510,645.02 × 960,378.12
  4. Step 4: Simplify right side
    1,097,109.48x = 1,450,790,424,294.96
  5. Step 5: Solve for x
    x = 1,450,790,424,294.96/1,097,109.48
  6. Step 6: Final answer
    x = 1,322,375.25

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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.