Home / 1,217,750.08-1,680,453.78-673,908.80

Finding the Fourth Proportional to 1,217,750.08, 1,680,453.78 and 673,908.80

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Solution

The fourth proportional to 1,217,750.08, 1,680,453.78 and 673,908.80 is: 929,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,750.08 : 1,680,453.78 = 673,908.80 : x
  2. Step 2: Convert to fraction form
    1,217,750.08/1,680,453.78 = 673,908.80/x
  3. Step 3: Cross multiply
    1,217,750.08x = 1,680,453.78 × 673,908.80
  4. Step 4: Simplify right side
    1,217,750.08x = 1,132,472,590,335.26
  5. Step 5: Solve for x
    x = 1,132,472,590,335.26/1,217,750.08
  6. Step 6: Final answer
    x = 929,971.27

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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.