Home / 1,129,764.67-1,559,087.53-620,467.04

Finding the Fourth Proportional to 1,129,764.67, 1,559,087.53 and 620,467.04

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Solution

The fourth proportional to 1,129,764.67, 1,559,087.53 and 620,467.04 is: 856,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,764.67 : 1,559,087.53 = 620,467.04 : x
  2. Step 2: Convert to fraction form
    1,129,764.67/1,559,087.53 = 620,467.04/x
  3. Step 3: Cross multiply
    1,129,764.67x = 1,559,087.53 × 620,467.04
  4. Step 4: Simplify right side
    1,129,764.67x = 967,362,427,186.56
  5. Step 5: Solve for x
    x = 967,362,427,186.56/1,129,764.67
  6. Step 6: Final answer
    x = 856,251.27

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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.