Home / 1,703,389.60-2,350,730.16-978,382.75

Finding the Fourth Proportional to 1,703,389.60, 2,350,730.16 and 978,382.75

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Solution

The fourth proportional to 1,703,389.60, 2,350,730.16 and 978,382.75 is: 1,350,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,389.60 : 2,350,730.16 = 978,382.75 : x
  2. Step 2: Convert to fraction form
    1,703,389.60/2,350,730.16 = 978,382.75/x
  3. Step 3: Cross multiply
    1,703,389.60x = 2,350,730.16 × 978,382.75
  4. Step 4: Simplify right side
    1,703,389.60x = 2,299,913,838,448.74
  5. Step 5: Solve for x
    x = 2,299,913,838,448.74/1,703,389.60
  6. Step 6: Final answer
    x = 1,350,198.36

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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.