Home / 1,274,231.35-1,758,043.43-722,856.30

Finding the Fourth Proportional to 1,274,231.35, 1,758,043.43 and 722,856.30

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Solution

The fourth proportional to 1,274,231.35, 1,758,043.43 and 722,856.30 is: 997,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,231.35 : 1,758,043.43 = 722,856.30 : x
  2. Step 2: Convert to fraction form
    1,274,231.35/1,758,043.43 = 722,856.30/x
  3. Step 3: Cross multiply
    1,274,231.35x = 1,758,043.43 × 722,856.30
  4. Step 4: Simplify right side
    1,274,231.35x = 1,270,812,769,477.86
  5. Step 5: Solve for x
    x = 1,270,812,769,477.86/1,274,231.35
  6. Step 6: Final answer
    x = 997,317.14

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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.