Home / 1,144,642.20-1,716,963.30-724,392.60

Finding the Fourth Proportional to 1,144,642.20, 1,716,963.30 and 724,392.60

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Solution

The fourth proportional to 1,144,642.20, 1,716,963.30 and 724,392.60 is: 1,086,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,642.20 : 1,716,963.30 = 724,392.60 : x
  2. Step 2: Convert to fraction form
    1,144,642.20/1,716,963.30 = 724,392.60/x
  3. Step 3: Cross multiply
    1,144,642.20x = 1,716,963.30 × 724,392.60
  4. Step 4: Simplify right side
    1,144,642.20x = 1,243,755,508,991.58
  5. Step 5: Solve for x
    x = 1,243,755,508,991.58/1,144,642.20
  6. Step 6: Final answer
    x = 1,086,588.90

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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.