Home / 1,218,092.78-1,680,971.23-674,266.07

Finding the Fourth Proportional to 1,218,092.78, 1,680,971.23 and 674,266.07

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Solution

The fourth proportional to 1,218,092.78, 1,680,971.23 and 674,266.07 is: 930,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,092.78 : 1,680,971.23 = 674,266.07 : x
  2. Step 2: Convert to fraction form
    1,218,092.78/1,680,971.23 = 674,266.07/x
  3. Step 3: Cross multiply
    1,218,092.78x = 1,680,971.23 × 674,266.07
  4. Step 4: Simplify right side
    1,218,092.78x = 1,133,421,870,080.43
  5. Step 5: Solve for x
    x = 1,133,421,870,080.43/1,218,092.78
  6. Step 6: Final answer
    x = 930,488.95

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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.