Home / 1,018,294.40-1,528,776.52-682,836.11

Finding the Fourth Proportional to 1,018,294.40, 1,528,776.52 and 682,836.11

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Solution

The fourth proportional to 1,018,294.40, 1,528,776.52 and 682,836.11 is: 1,025,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,294.40 : 1,528,776.52 = 682,836.11 : x
  2. Step 2: Convert to fraction form
    1,018,294.40/1,528,776.52 = 682,836.11/x
  3. Step 3: Cross multiply
    1,018,294.40x = 1,528,776.52 × 682,836.11
  4. Step 4: Simplify right side
    1,018,294.40x = 1,043,903,811,976.14
  5. Step 5: Solve for x
    x = 1,043,903,811,976.14/1,018,294.40
  6. Step 6: Final answer
    x = 1,025,149.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.