Home / 1,245,419.49-1,868,131.05-346,863.81

Finding the Fourth Proportional to 1,245,419.49, 1,868,131.05 and 346,863.81

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Solution

The fourth proportional to 1,245,419.49, 1,868,131.05 and 346,863.81 is: 520,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,419.49 : 1,868,131.05 = 346,863.81 : x
  2. Step 2: Convert to fraction form
    1,245,419.49/1,868,131.05 = 346,863.81/x
  3. Step 3: Cross multiply
    1,245,419.49x = 1,868,131.05 × 346,863.81
  4. Step 4: Simplify right side
    1,245,419.49x = 647,987,053,582.30
  5. Step 5: Solve for x
    x = 647,987,053,582.30/1,245,419.49
  6. Step 6: Final answer
    x = 520,296.22

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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.