Home / 1,190,741.46-1,643,216.64-646,872.90

Finding the Fourth Proportional to 1,190,741.46, 1,643,216.64 and 646,872.90

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Solution

The fourth proportional to 1,190,741.46, 1,643,216.64 and 646,872.90 is: 892,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,741.46 : 1,643,216.64 = 646,872.90 : x
  2. Step 2: Convert to fraction form
    1,190,741.46/1,643,216.64 = 646,872.90/x
  3. Step 3: Cross multiply
    1,190,741.46x = 1,643,216.64 × 646,872.90
  4. Step 4: Simplify right side
    1,190,741.46x = 1,062,952,313,245.06
  5. Step 5: Solve for x
    x = 1,062,952,313,245.06/1,190,741.46
  6. Step 6: Final answer
    x = 892,681.03

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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.