Home / 1,215,227.46-1,677,008.46-671,363.34

Finding the Fourth Proportional to 1,215,227.46, 1,677,008.46 and 671,363.34

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Solution

The fourth proportional to 1,215,227.46, 1,677,008.46 and 671,363.34 is: 926,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,227.46 : 1,677,008.46 = 671,363.34 : x
  2. Step 2: Convert to fraction form
    1,215,227.46/1,677,008.46 = 671,363.34/x
  3. Step 3: Cross multiply
    1,215,227.46x = 1,677,008.46 × 671,363.34
  4. Step 4: Simplify right side
    1,215,227.46x = 1,125,882,000,913.86
  5. Step 5: Solve for x
    x = 1,125,882,000,913.86/1,215,227.46
  6. Step 6: Final answer
    x = 926,478.41

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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.