Home / 1,263,665.72-1,743,856.18-719,801.32

Finding the Fourth Proportional to 1,263,665.72, 1,743,856.18 and 719,801.32

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Solution

The fourth proportional to 1,263,665.72, 1,743,856.18 and 719,801.32 is: 993,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,665.72 : 1,743,856.18 = 719,801.32 : x
  2. Step 2: Convert to fraction form
    1,263,665.72/1,743,856.18 = 719,801.32/x
  3. Step 3: Cross multiply
    1,263,665.72x = 1,743,856.18 × 719,801.32
  4. Step 4: Simplify right side
    1,263,665.72x = 1,255,229,980,254.16
  5. Step 5: Solve for x
    x = 1,255,229,980,254.16/1,263,665.72
  6. Step 6: Final answer
    x = 993,324.39

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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.