Home / 1,270,090.64-1,752,498.97-718,803.74

Finding the Fourth Proportional to 1,270,090.64, 1,752,498.97 and 718,803.74

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Solution

The fourth proportional to 1,270,090.64, 1,752,498.97 and 718,803.74 is: 991,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,090.64 : 1,752,498.97 = 718,803.74 : x
  2. Step 2: Convert to fraction form
    1,270,090.64/1,752,498.97 = 718,803.74/x
  3. Step 3: Cross multiply
    1,270,090.64x = 1,752,498.97 × 718,803.74
  4. Step 4: Simplify right side
    1,270,090.64x = 1,259,702,816,566.39
  5. Step 5: Solve for x
    x = 1,259,702,816,566.39/1,270,090.64
  6. Step 6: Final answer
    x = 991,821.19

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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.