Home / 1,370,148.64-2,055,419.82-423,593.20

Finding the Fourth Proportional to 1,370,148.64, 2,055,419.82 and 423,593.20

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Solution

The fourth proportional to 1,370,148.64, 2,055,419.82 and 423,593.20 is: 635,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,148.64 : 2,055,419.82 = 423,593.20 : x
  2. Step 2: Convert to fraction form
    1,370,148.64/2,055,419.82 = 423,593.20/x
  3. Step 3: Cross multiply
    1,370,148.64x = 2,055,419.82 × 423,593.20
  4. Step 4: Simplify right side
    1,370,148.64x = 870,661,858,897.22
  5. Step 5: Solve for x
    x = 870,661,858,897.22/1,370,148.64
  6. Step 6: Final answer
    x = 635,450.66

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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.