Home / 1,218,001.24-1,680,844.98-674,174.80

Finding the Fourth Proportional to 1,218,001.24, 1,680,844.98 and 674,174.80

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Solution

The fourth proportional to 1,218,001.24, 1,680,844.98 and 674,174.80 is: 930,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,001.24 : 1,680,844.98 = 674,174.80 : x
  2. Step 2: Convert to fraction form
    1,218,001.24/1,680,844.98 = 674,174.80/x
  3. Step 3: Cross multiply
    1,218,001.24x = 1,680,844.98 × 674,174.80
  4. Step 4: Simplify right side
    1,218,001.24x = 1,133,183,328,222.50
  5. Step 5: Solve for x
    x = 1,133,183,328,222.50/1,218,001.24
  6. Step 6: Final answer
    x = 930,363.03

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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.