Home / 1,434,975.22-1,980,265.57-790,395.39

Finding the Fourth Proportional to 1,434,975.22, 1,980,265.57 and 790,395.39

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Solution

The fourth proportional to 1,434,975.22, 1,980,265.57 and 790,395.39 is: 1,090,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,975.22 : 1,980,265.57 = 790,395.39 : x
  2. Step 2: Convert to fraction form
    1,434,975.22/1,980,265.57 = 790,395.39/x
  3. Step 3: Cross multiply
    1,434,975.22x = 1,980,265.57 × 790,395.39
  4. Step 4: Simplify right side
    1,434,975.22x = 1,565,192,777,503.72
  5. Step 5: Solve for x
    x = 1,565,192,777,503.72/1,434,975.22
  6. Step 6: Final answer
    x = 1,090,745.51

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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.