Home / 1,226,614.40-1,692,727.95-682,738.48

Finding the Fourth Proportional to 1,226,614.40, 1,692,727.95 and 682,738.48

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Solution

The fourth proportional to 1,226,614.40, 1,692,727.95 and 682,738.48 is: 942,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,614.40 : 1,692,727.95 = 682,738.48 : x
  2. Step 2: Convert to fraction form
    1,226,614.40/1,692,727.95 = 682,738.48/x
  3. Step 3: Cross multiply
    1,226,614.40x = 1,692,727.95 × 682,738.48
  4. Step 4: Simplify right side
    1,226,614.40x = 1,155,690,507,636.52
  5. Step 5: Solve for x
    x = 1,155,690,507,636.52/1,226,614.40
  6. Step 6: Final answer
    x = 942,179.15

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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.