Home / 1,412,080.26-2,117,455.08-512,887.92

Finding the Fourth Proportional to 1,412,080.26, 2,117,455.08 and 512,887.92

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Solution

The fourth proportional to 1,412,080.26, 2,117,455.08 and 512,887.92 is: 769,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,080.26 : 2,117,455.08 = 512,887.92 : x
  2. Step 2: Convert to fraction form
    1,412,080.26/2,117,455.08 = 512,887.92/x
  3. Step 3: Cross multiply
    1,412,080.26x = 2,117,455.08 × 512,887.92
  4. Step 4: Simplify right side
    1,412,080.26x = 1,086,017,131,674.63
  5. Step 5: Solve for x
    x = 1,086,017,131,674.63/1,412,080.26
  6. Step 6: Final answer
    x = 769,090.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.