Home / 1,339,265.47-1,848,199.77-727,430.22

Finding the Fourth Proportional to 1,339,265.47, 1,848,199.77 and 727,430.22

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Solution

The fourth proportional to 1,339,265.47, 1,848,199.77 and 727,430.22 is: 1,003,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,265.47 : 1,848,199.77 = 727,430.22 : x
  2. Step 2: Convert to fraction form
    1,339,265.47/1,848,199.77 = 727,430.22/x
  3. Step 3: Cross multiply
    1,339,265.47x = 1,848,199.77 × 727,430.22
  4. Step 4: Simplify right side
    1,339,265.47x = 1,344,436,352,416.90
  5. Step 5: Solve for x
    x = 1,344,436,352,416.90/1,339,265.47
  6. Step 6: Final answer
    x = 1,003,860.98

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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.