Home / 1,137,231.20-1,569,348.84-627,922.64

Finding the Fourth Proportional to 1,137,231.20, 1,569,348.84 and 627,922.64

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Solution

The fourth proportional to 1,137,231.20, 1,569,348.84 and 627,922.64 is: 866,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,231.20 : 1,569,348.84 = 627,922.64 : x
  2. Step 2: Convert to fraction form
    1,137,231.20/1,569,348.84 = 627,922.64/x
  3. Step 3: Cross multiply
    1,137,231.20x = 1,569,348.84 × 627,922.64
  4. Step 4: Simplify right side
    1,137,231.20x = 985,429,666,693.74
  5. Step 5: Solve for x
    x = 985,429,666,693.74/1,137,231.20
  6. Step 6: Final answer
    x = 866,516.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.