Home / 1,224,795.04-1,690,274.68-680,939.76

Finding the Fourth Proportional to 1,224,795.04, 1,690,274.68 and 680,939.76

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Solution

The fourth proportional to 1,224,795.04, 1,690,274.68 and 680,939.76 is: 939,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,795.04 : 1,690,274.68 = 680,939.76 : x
  2. Step 2: Convert to fraction form
    1,224,795.04/1,690,274.68 = 680,939.76/x
  3. Step 3: Cross multiply
    1,224,795.04x = 1,690,274.68 × 680,939.76
  4. Step 4: Simplify right side
    1,224,795.04x = 1,150,975,234,933.28
  5. Step 5: Solve for x
    x = 1,150,975,234,933.28/1,224,795.04
  6. Step 6: Final answer
    x = 939,728.85

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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.