Home / 1,265,792.63-1,898,447.03-379,328.63

Finding the Fourth Proportional to 1,265,792.63, 1,898,447.03 and 379,328.63

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Solution

The fourth proportional to 1,265,792.63, 1,898,447.03 and 379,328.63 is: 568,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,792.63 : 1,898,447.03 = 379,328.63 : x
  2. Step 2: Convert to fraction form
    1,265,792.63/1,898,447.03 = 379,328.63/x
  3. Step 3: Cross multiply
    1,265,792.63x = 1,898,447.03 × 379,328.63
  4. Step 4: Simplify right side
    1,265,792.63x = 720,135,313,866.94
  5. Step 5: Solve for x
    x = 720,135,313,866.94/1,265,792.63
  6. Step 6: Final answer
    x = 568,920.45

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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.