Home / 1,369,448.29-1,889,499.11-885,431.03

Finding the Fourth Proportional to 1,369,448.29, 1,889,499.11 and 885,431.03

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Solution

The fourth proportional to 1,369,448.29, 1,889,499.11 and 885,431.03 is: 1,221,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,448.29 : 1,889,499.11 = 885,431.03 : x
  2. Step 2: Convert to fraction form
    1,369,448.29/1,889,499.11 = 885,431.03/x
  3. Step 3: Cross multiply
    1,369,448.29x = 1,889,499.11 × 885,431.03
  4. Step 4: Simplify right side
    1,369,448.29x = 1,673,021,129,276.73
  5. Step 5: Solve for x
    x = 1,673,021,129,276.73/1,369,448.29
  6. Step 6: Final answer
    x = 1,221,675.29

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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.