Home / 1,052,087.28-1,451,968.92-644,187.12

Finding the Fourth Proportional to 1,052,087.28, 1,451,968.92 and 644,187.12

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Solution

The fourth proportional to 1,052,087.28, 1,451,968.92 and 644,187.12 is: 889,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,087.28 : 1,451,968.92 = 644,187.12 : x
  2. Step 2: Convert to fraction form
    1,052,087.28/1,451,968.92 = 644,187.12/x
  3. Step 3: Cross multiply
    1,052,087.28x = 1,451,968.92 × 644,187.12
  4. Step 4: Simplify right side
    1,052,087.28x = 935,339,676,904.31
  5. Step 5: Solve for x
    x = 935,339,676,904.31/1,052,087.28
  6. Step 6: Final answer
    x = 889,032.40

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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.