Home / 1,217,126.32-1,679,504.94-673,175.68

Finding the Fourth Proportional to 1,217,126.32, 1,679,504.94 and 673,175.68

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Solution

The fourth proportional to 1,217,126.32, 1,679,504.94 and 673,175.68 is: 928,910.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,126.32 : 1,679,504.94 = 673,175.68 : x
  2. Step 2: Convert to fraction form
    1,217,126.32/1,679,504.94 = 673,175.68/x
  3. Step 3: Cross multiply
    1,217,126.32x = 1,679,504.94 × 673,175.68
  4. Step 4: Simplify right side
    1,217,126.32x = 1,130,601,880,047.86
  5. Step 5: Solve for x
    x = 1,130,601,880,047.86/1,217,126.32
  6. Step 6: Final answer
    x = 928,910.88

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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.