Home / 1,231,891.48-1,847,841.76-378,957.22

Finding the Fourth Proportional to 1,231,891.48, 1,847,841.76 and 378,957.22

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Solution

The fourth proportional to 1,231,891.48, 1,847,841.76 and 378,957.22 is: 568,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,891.48 : 1,847,841.76 = 378,957.22 : x
  2. Step 2: Convert to fraction form
    1,231,891.48/1,847,841.76 = 378,957.22/x
  3. Step 3: Cross multiply
    1,231,891.48x = 1,847,841.76 × 378,957.22
  4. Step 4: Simplify right side
    1,231,891.48x = 700,252,970,802.51
  5. Step 5: Solve for x
    x = 700,252,970,802.51/1,231,891.48
  6. Step 6: Final answer
    x = 568,437.22

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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.