Home / 1,117,644.75-1,676,717.01-407,672.76

Finding the Fourth Proportional to 1,117,644.75, 1,676,717.01 and 407,672.76

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Solution

The fourth proportional to 1,117,644.75, 1,676,717.01 and 407,672.76 is: 611,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,644.75 : 1,676,717.01 = 407,672.76 : x
  2. Step 2: Convert to fraction form
    1,117,644.75/1,676,717.01 = 407,672.76/x
  3. Step 3: Cross multiply
    1,117,644.75x = 1,676,717.01 × 407,672.76
  4. Step 4: Simplify right side
    1,117,644.75x = 683,551,857,493.34
  5. Step 5: Solve for x
    x = 683,551,857,493.34/1,117,644.75
  6. Step 6: Final answer
    x = 611,600.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.