Home / 1,215,896.16-1,677,968.34-672,040.53

Finding the Fourth Proportional to 1,215,896.16, 1,677,968.34 and 672,040.53

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Solution

The fourth proportional to 1,215,896.16, 1,677,968.34 and 672,040.53 is: 927,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,896.16 : 1,677,968.34 = 672,040.53 : x
  2. Step 2: Convert to fraction form
    1,215,896.16/1,677,968.34 = 672,040.53/x
  3. Step 3: Cross multiply
    1,215,896.16x = 1,677,968.34 × 672,040.53
  4. Step 4: Simplify right side
    1,215,896.16x = 1,127,662,733,796.90
  5. Step 5: Solve for x
    x = 1,127,662,733,796.90/1,215,896.16
  6. Step 6: Final answer
    x = 927,433.42

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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.