Home / 1,003,630.75-1,506,940.82-405,759.62

Finding the Fourth Proportional to 1,003,630.75, 1,506,940.82 and 405,759.62

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Solution

The fourth proportional to 1,003,630.75, 1,506,940.82 and 405,759.62 is: 609,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,630.75 : 1,506,940.82 = 405,759.62 : x
  2. Step 2: Convert to fraction form
    1,003,630.75/1,506,940.82 = 405,759.62/x
  3. Step 3: Cross multiply
    1,003,630.75x = 1,506,940.82 × 405,759.62
  4. Step 4: Simplify right side
    1,003,630.75x = 611,455,734,485.69
  5. Step 5: Solve for x
    x = 611,455,734,485.69/1,003,630.75
  6. Step 6: Final answer
    x = 609,243.72

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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.