Home / 1,335,937.02-1,843,396.29-812,380.56

Finding the Fourth Proportional to 1,335,937.02, 1,843,396.29 and 812,380.56

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Solution

The fourth proportional to 1,335,937.02, 1,843,396.29 and 812,380.56 is: 1,120,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,937.02 : 1,843,396.29 = 812,380.56 : x
  2. Step 2: Convert to fraction form
    1,335,937.02/1,843,396.29 = 812,380.56/x
  3. Step 3: Cross multiply
    1,335,937.02x = 1,843,396.29 × 812,380.56
  4. Step 4: Simplify right side
    1,335,937.02x = 1,497,539,310,372.12
  5. Step 5: Solve for x
    x = 1,497,539,310,372.12/1,335,937.02
  6. Step 6: Final answer
    x = 1,120,965.50

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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.