Home / 1,190,087.76-1,643,021.99-725,116.98

Finding the Fourth Proportional to 1,190,087.76, 1,643,021.99 and 725,116.98

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Solution

The fourth proportional to 1,190,087.76, 1,643,021.99 and 725,116.98 is: 1,001,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,087.76 : 1,643,021.99 = 725,116.98 : x
  2. Step 2: Convert to fraction form
    1,190,087.76/1,643,021.99 = 725,116.98/x
  3. Step 3: Cross multiply
    1,190,087.76x = 1,643,021.99 × 725,116.98
  4. Step 4: Simplify right side
    1,190,087.76x = 1,191,383,143,462.39
  5. Step 5: Solve for x
    x = 1,191,383,143,462.39/1,190,087.76
  6. Step 6: Final answer
    x = 1,001,088.48

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