Home / 1,220,628.11-1,684,399.32-676,732.14

Finding the Fourth Proportional to 1,220,628.11, 1,684,399.32 and 676,732.14

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Solution

The fourth proportional to 1,220,628.11, 1,684,399.32 and 676,732.14 is: 933,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,628.11 : 1,684,399.32 = 676,732.14 : x
  2. Step 2: Convert to fraction form
    1,220,628.11/1,684,399.32 = 676,732.14/x
  3. Step 3: Cross multiply
    1,220,628.11x = 1,684,399.32 × 676,732.14
  4. Step 4: Simplify right side
    1,220,628.11x = 1,139,887,156,438.14
  5. Step 5: Solve for x
    x = 1,139,887,156,438.14/1,220,628.11
  6. Step 6: Final answer
    x = 933,852.95

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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.