Home / 745,922.40-1,116,259.20-682,936.80

Finding the Fourth Proportional to 745,922.40, 1,116,259.20 and 682,936.80

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Solution

The fourth proportional to 745,922.40, 1,116,259.20 and 682,936.80 is: 1,022,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,922.40 : 1,116,259.20 = 682,936.80 : x
  2. Step 2: Convert to fraction form
    745,922.40/1,116,259.20 = 682,936.80/x
  3. Step 3: Cross multiply
    745,922.40x = 1,116,259.20 × 682,936.80
  4. Step 4: Simplify right side
    745,922.40x = 762,334,486,018.56
  5. Step 5: Solve for x
    x = 762,334,486,018.56/745,922.40
  6. Step 6: Final answer
    x = 1,022,002.40

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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.