Home / 1,703,414.88-2,350,853.76-978,402.48

Finding the Fourth Proportional to 1,703,414.88, 2,350,853.76 and 978,402.48

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Solution

The fourth proportional to 1,703,414.88, 2,350,853.76 and 978,402.48 is: 1,350,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,414.88 : 2,350,853.76 = 978,402.48 : x
  2. Step 2: Convert to fraction form
    1,703,414.88/2,350,853.76 = 978,402.48/x
  3. Step 3: Cross multiply
    1,703,414.88x = 2,350,853.76 × 978,402.48
  4. Step 4: Simplify right side
    1,703,414.88x = 2,300,081,148,901.32
  5. Step 5: Solve for x
    x = 2,300,081,148,901.32/1,703,414.88
  6. Step 6: Final answer
    x = 1,350,276.54

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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.