Home / 1,427,627.07-1,970,566.44-918,329.43

Finding the Fourth Proportional to 1,427,627.07, 1,970,566.44 and 918,329.43

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Solution

The fourth proportional to 1,427,627.07, 1,970,566.44 and 918,329.43 is: 1,267,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,627.07 : 1,970,566.44 = 918,329.43 : x
  2. Step 2: Convert to fraction form
    1,427,627.07/1,970,566.44 = 918,329.43/x
  3. Step 3: Cross multiply
    1,427,627.07x = 1,970,566.44 × 918,329.43
  4. Step 4: Simplify right side
    1,427,627.07x = 1,809,629,155,622.33
  5. Step 5: Solve for x
    x = 1,809,629,155,622.33/1,427,627.07
  6. Step 6: Final answer
    x = 1,267,578.34

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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.