Home / 1,179,063.33-1,768,968.84-420,888.53

Finding the Fourth Proportional to 1,179,063.33, 1,768,968.84 and 420,888.53

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Solution

The fourth proportional to 1,179,063.33, 1,768,968.84 and 420,888.53 is: 631,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,063.33 : 1,768,968.84 = 420,888.53 : x
  2. Step 2: Convert to fraction form
    1,179,063.33/1,768,968.84 = 420,888.53/x
  3. Step 3: Cross multiply
    1,179,063.33x = 1,768,968.84 × 420,888.53
  4. Step 4: Simplify right side
    1,179,063.33x = 744,538,685,838.56
  5. Step 5: Solve for x
    x = 744,538,685,838.56/1,179,063.33
  6. Step 6: Final answer
    x = 631,466.24

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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.