Home / 746,669.10-1,120,003.65-681,715.20

Finding the Fourth Proportional to 746,669.10, 1,120,003.65 and 681,715.20

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Solution

The fourth proportional to 746,669.10, 1,120,003.65 and 681,715.20 is: 1,022,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,669.10 : 1,120,003.65 = 681,715.20 : x
  2. Step 2: Convert to fraction form
    746,669.10/1,120,003.65 = 681,715.20/x
  3. Step 3: Cross multiply
    746,669.10x = 1,120,003.65 × 681,715.20
  4. Step 4: Simplify right side
    746,669.10x = 763,523,512,260.48
  5. Step 5: Solve for x
    x = 763,523,512,260.48/746,669.10
  6. Step 6: Final answer
    x = 1,022,572.80

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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.