Home / 1,137,298.68-1,705,377.57-378,873.51

Finding the Fourth Proportional to 1,137,298.68, 1,705,377.57 and 378,873.51

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Solution

The fourth proportional to 1,137,298.68, 1,705,377.57 and 378,873.51 is: 568,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,298.68 : 1,705,377.57 = 378,873.51 : x
  2. Step 2: Convert to fraction form
    1,137,298.68/1,705,377.57 = 378,873.51/x
  3. Step 3: Cross multiply
    1,137,298.68x = 1,705,377.57 × 378,873.51
  4. Step 4: Simplify right side
    1,137,298.68x = 646,122,385,821.17
  5. Step 5: Solve for x
    x = 646,122,385,821.17/1,137,298.68
  6. Step 6: Final answer
    x = 568,120.23

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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.