Home / 1,315,632.97-1,815,580.96-734,880.55

Finding the Fourth Proportional to 1,315,632.97, 1,815,580.96 and 734,880.55

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Solution

The fourth proportional to 1,315,632.97, 1,815,580.96 and 734,880.55 is: 1,014,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,632.97 : 1,815,580.96 = 734,880.55 : x
  2. Step 2: Convert to fraction form
    1,315,632.97/1,815,580.96 = 734,880.55/x
  3. Step 3: Cross multiply
    1,315,632.97x = 1,815,580.96 × 734,880.55
  4. Step 4: Simplify right side
    1,315,632.97x = 1,334,235,134,454.33
  5. Step 5: Solve for x
    x = 1,334,235,134,454.33/1,315,632.97
  6. Step 6: Final answer
    x = 1,014,139.33

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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.