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Finding the Fourth Proportional to 1,073,611, 1,610,426.22 and 325,657

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Solution

The fourth proportional to 1,073,611, 1,610,426.22 and 325,657 is: 488,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,611 : 1,610,426.22 = 325,657 : x
  2. Step 2: Convert to fraction form
    1,073,611/1,610,426.22 = 325,657/x
  3. Step 3: Cross multiply
    1,073,611x = 1,610,426.22 × 325,657
  4. Step 4: Simplify right side
    1,073,611x = 524,446,571,526.54
  5. Step 5: Solve for x
    x = 524,446,571,526.54/1,073,611
  6. Step 6: Final answer
    x = 488,488.45

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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.