Home / 1,017,608.45-1,526,634.10-307,618.03

Finding the Fourth Proportional to 1,017,608.45, 1,526,634.10 and 307,618.03

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Solution

The fourth proportional to 1,017,608.45, 1,526,634.10 and 307,618.03 is: 461,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,608.45 : 1,526,634.10 = 307,618.03 : x
  2. Step 2: Convert to fraction form
    1,017,608.45/1,526,634.10 = 307,618.03/x
  3. Step 3: Cross multiply
    1,017,608.45x = 1,526,634.10 × 307,618.03
  4. Step 4: Simplify right side
    1,017,608.45x = 469,620,176,665.64
  5. Step 5: Solve for x
    x = 469,620,176,665.64/1,017,608.45
  6. Step 6: Final answer
    x = 461,493.99

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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.