Home / 1,703,646.23-2,351,033.79-978,634.40

Finding the Fourth Proportional to 1,703,646.23, 2,351,033.79 and 978,634.40

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Solution

The fourth proportional to 1,703,646.23, 2,351,033.79 and 978,634.40 is: 1,350,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,646.23 : 2,351,033.79 = 978,634.40 : x
  2. Step 2: Convert to fraction form
    1,703,646.23/2,351,033.79 = 978,634.40/x
  3. Step 3: Cross multiply
    1,703,646.23x = 2,351,033.79 × 978,634.40
  4. Step 4: Simplify right side
    1,703,646.23x = 2,300,802,542,456.38
  5. Step 5: Solve for x
    x = 2,300,802,542,456.38/1,703,646.23
  6. Step 6: Final answer
    x = 1,350,516.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.