Home / 1,538,653.61-2,123,230.74-850,317.23

Finding the Fourth Proportional to 1,538,653.61, 2,123,230.74 and 850,317.23

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Solution

The fourth proportional to 1,538,653.61, 2,123,230.74 and 850,317.23 is: 1,173,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,653.61 : 2,123,230.74 = 850,317.23 : x
  2. Step 2: Convert to fraction form
    1,538,653.61/2,123,230.74 = 850,317.23/x
  3. Step 3: Cross multiply
    1,538,653.61x = 2,123,230.74 × 850,317.23
  4. Step 4: Simplify right side
    1,538,653.61x = 1,805,419,681,487.65
  5. Step 5: Solve for x
    x = 1,805,419,681,487.65/1,538,653.61
  6. Step 6: Final answer
    x = 1,173,376.30

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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.