Home / 1,138,478.98-1,707,466.94-328,687.46

Finding the Fourth Proportional to 1,138,478.98, 1,707,466.94 and 328,687.46

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Solution

The fourth proportional to 1,138,478.98, 1,707,466.94 and 328,687.46 is: 492,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,478.98 : 1,707,466.94 = 328,687.46 : x
  2. Step 2: Convert to fraction form
    1,138,478.98/1,707,466.94 = 328,687.46/x
  3. Step 3: Cross multiply
    1,138,478.98x = 1,707,466.94 × 328,687.46
  4. Step 4: Simplify right side
    1,138,478.98x = 561,222,971,542.57
  5. Step 5: Solve for x
    x = 561,222,971,542.57/1,138,478.98
  6. Step 6: Final answer
    x = 492,958.57

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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.