Home / 1,190,525.43-1,642,955.08-646,661.06

Finding the Fourth Proportional to 1,190,525.43, 1,642,955.08 and 646,661.06

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Solution

The fourth proportional to 1,190,525.43, 1,642,955.08 and 646,661.06 is: 892,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,525.43 : 1,642,955.08 = 646,661.06 : x
  2. Step 2: Convert to fraction form
    1,190,525.43/1,642,955.08 = 646,661.06/x
  3. Step 3: Cross multiply
    1,190,525.43x = 1,642,955.08 × 646,661.06
  4. Step 4: Simplify right side
    1,190,525.43x = 1,062,435,065,350.41
  5. Step 5: Solve for x
    x = 1,062,435,065,350.41/1,190,525.43
  6. Step 6: Final answer
    x = 892,408.54

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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.