Home / 1,242,716.94-1,713,887.10-856,149.30

Finding the Fourth Proportional to 1,242,716.94, 1,713,887.10 and 856,149.30

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Solution

The fourth proportional to 1,242,716.94, 1,713,887.10 and 856,149.30 is: 1,180,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,716.94 : 1,713,887.10 = 856,149.30 : x
  2. Step 2: Convert to fraction form
    1,242,716.94/1,713,887.10 = 856,149.30/x
  3. Step 3: Cross multiply
    1,242,716.94x = 1,713,887.10 × 856,149.30
  4. Step 4: Simplify right side
    1,242,716.94x = 1,467,343,240,944.03
  5. Step 5: Solve for x
    x = 1,467,343,240,944.03/1,242,716.94
  6. Step 6: Final answer
    x = 1,180,754.20

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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.