Home / 1,645,678.80-2,468,034.36-699,042

Finding the Fourth Proportional to 1,645,678.80, 2,468,034.36 and 699,042

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Solution

The fourth proportional to 1,645,678.80, 2,468,034.36 and 699,042 is: 1,048,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,678.80 : 2,468,034.36 = 699,042 : x
  2. Step 2: Convert to fraction form
    1,645,678.80/2,468,034.36 = 699,042/x
  3. Step 3: Cross multiply
    1,645,678.80x = 2,468,034.36 × 699,042
  4. Step 4: Simplify right side
    1,645,678.80x = 1,725,259,675,083.12
  5. Step 5: Solve for x
    x = 1,725,259,675,083.12/1,645,678.80
  6. Step 6: Final answer
    x = 1,048,357.48

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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.