Home / 1,139,324.22-1,708,460.33-419,485.14

Finding the Fourth Proportional to 1,139,324.22, 1,708,460.33 and 419,485.14

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Solution

The fourth proportional to 1,139,324.22, 1,708,460.33 and 419,485.14 is: 629,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,324.22 : 1,708,460.33 = 419,485.14 : x
  2. Step 2: Convert to fraction form
    1,139,324.22/1,708,460.33 = 419,485.14/x
  3. Step 3: Cross multiply
    1,139,324.22x = 1,708,460.33 × 419,485.14
  4. Step 4: Simplify right side
    1,139,324.22x = 716,673,718,617.07
  5. Step 5: Solve for x
    x = 716,673,718,617.07/1,139,324.22
  6. Step 6: Final answer
    x = 629,034.04

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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.