Home / 1,217,838.71-1,680,575.95-673,997.42

Finding the Fourth Proportional to 1,217,838.71, 1,680,575.95 and 673,997.42

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Solution

The fourth proportional to 1,217,838.71, 1,680,575.95 and 673,997.42 is: 930,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,838.71 : 1,680,575.95 = 673,997.42 : x
  2. Step 2: Convert to fraction form
    1,217,838.71/1,680,575.95 = 673,997.42/x
  3. Step 3: Cross multiply
    1,217,838.71x = 1,680,575.95 × 673,997.42
  4. Step 4: Simplify right side
    1,217,838.71x = 1,132,703,859,457.99
  5. Step 5: Solve for x
    x = 1,132,703,859,457.99/1,217,838.71
  6. Step 6: Final answer
    x = 930,093.49

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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.