Home / 1,138,741.37-1,707,531.01-380,309.57

Finding the Fourth Proportional to 1,138,741.37, 1,707,531.01 and 380,309.57

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Solution

The fourth proportional to 1,138,741.37, 1,707,531.01 and 380,309.57 is: 570,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,741.37 : 1,707,531.01 = 380,309.57 : x
  2. Step 2: Convert to fraction form
    1,138,741.37/1,707,531.01 = 380,309.57/x
  3. Step 3: Cross multiply
    1,138,741.37x = 1,707,531.01 × 380,309.57
  4. Step 4: Simplify right side
    1,138,741.37x = 649,390,384,174.77
  5. Step 5: Solve for x
    x = 649,390,384,174.77/1,138,741.37
  6. Step 6: Final answer
    x = 570,270.30

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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.