Home / 1,129,760.26-1,559,081.32-620,462.63

Finding the Fourth Proportional to 1,129,760.26, 1,559,081.32 and 620,462.63

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Solution

The fourth proportional to 1,129,760.26, 1,559,081.32 and 620,462.63 is: 856,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,760.26 : 1,559,081.32 = 620,462.63 : x
  2. Step 2: Convert to fraction form
    1,129,760.26/1,559,081.32 = 620,462.63/x
  3. Step 3: Cross multiply
    1,129,760.26x = 1,559,081.32 × 620,462.63
  4. Step 4: Simplify right side
    1,129,760.26x = 967,351,698,537.62
  5. Step 5: Solve for x
    x = 967,351,698,537.62/1,129,760.26
  6. Step 6: Final answer
    x = 856,245.11

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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.