Home / 1,264,282.12-1,744,372.92-720,406.32

Finding the Fourth Proportional to 1,264,282.12, 1,744,372.92 and 720,406.32

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Solution

The fourth proportional to 1,264,282.12, 1,744,372.92 and 720,406.32 is: 993,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,282.12 : 1,744,372.92 = 720,406.32 : x
  2. Step 2: Convert to fraction form
    1,264,282.12/1,744,372.92 = 720,406.32/x
  3. Step 3: Cross multiply
    1,264,282.12x = 1,744,372.92 × 720,406.32
  4. Step 4: Simplify right side
    1,264,282.12x = 1,256,657,276,004.85
  5. Step 5: Solve for x
    x = 1,256,657,276,004.85/1,264,282.12
  6. Step 6: Final answer
    x = 993,969.03

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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.