Home / 1,295,464.44-1,787,744.10-722,541.72

Finding the Fourth Proportional to 1,295,464.44, 1,787,744.10 and 722,541.72

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Solution

The fourth proportional to 1,295,464.44, 1,787,744.10 and 722,541.72 is: 997,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,464.44 : 1,787,744.10 = 722,541.72 : x
  2. Step 2: Convert to fraction form
    1,295,464.44/1,787,744.10 = 722,541.72/x
  3. Step 3: Cross multiply
    1,295,464.44x = 1,787,744.10 × 722,541.72
  4. Step 4: Simplify right side
    1,295,464.44x = 1,291,719,696,933.85
  5. Step 5: Solve for x
    x = 1,291,719,696,933.85/1,295,464.44
  6. Step 6: Final answer
    x = 997,109.34

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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.