Home / 1,225,988.91-1,691,821.94-674,653.10

Finding the Fourth Proportional to 1,225,988.91, 1,691,821.94 and 674,653.10

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Solution

The fourth proportional to 1,225,988.91, 1,691,821.94 and 674,653.10 is: 930,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,988.91 : 1,691,821.94 = 674,653.10 : x
  2. Step 2: Convert to fraction form
    1,225,988.91/1,691,821.94 = 674,653.10/x
  3. Step 3: Cross multiply
    1,225,988.91x = 1,691,821.94 × 674,653.10
  4. Step 4: Simplify right side
    1,225,988.91x = 1,141,392,904,636.64
  5. Step 5: Solve for x
    x = 1,141,392,904,636.64/1,225,988.91
  6. Step 6: Final answer
    x = 930,997.74

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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.