Home / 1,190,386.67-1,642,745.48-646,527.56

Finding the Fourth Proportional to 1,190,386.67, 1,642,745.48 and 646,527.56

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Solution

The fourth proportional to 1,190,386.67, 1,642,745.48 and 646,527.56 is: 892,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,386.67 : 1,642,745.48 = 646,527.56 : x
  2. Step 2: Convert to fraction form
    1,190,386.67/1,642,745.48 = 646,527.56/x
  3. Step 3: Cross multiply
    1,190,386.67x = 1,642,745.48 × 646,527.56
  4. Step 4: Simplify right side
    1,190,386.67x = 1,062,080,215,439.06
  5. Step 5: Solve for x
    x = 1,062,080,215,439.06/1,190,386.67
  6. Step 6: Final answer
    x = 892,214.48

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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.