Home / 1,339,402.76-1,848,409.14-727,555.33

Finding the Fourth Proportional to 1,339,402.76, 1,848,409.14 and 727,555.33

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Solution

The fourth proportional to 1,339,402.76, 1,848,409.14 and 727,555.33 is: 1,004,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,402.76 : 1,848,409.14 = 727,555.33 : x
  2. Step 2: Convert to fraction form
    1,339,402.76/1,848,409.14 = 727,555.33/x
  3. Step 3: Cross multiply
    1,339,402.76x = 1,848,409.14 × 727,555.33
  4. Step 4: Simplify right side
    1,339,402.76x = 1,344,819,921,827.72
  5. Step 5: Solve for x
    x = 1,344,819,921,827.72/1,339,402.76
  6. Step 6: Final answer
    x = 1,004,044.46

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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.