Home / 1,247,680.61-1,721,786.04-703,993.32

Finding the Fourth Proportional to 1,247,680.61, 1,721,786.04 and 703,993.32

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Solution

The fourth proportional to 1,247,680.61, 1,721,786.04 and 703,993.32 is: 971,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,680.61 : 1,721,786.04 = 703,993.32 : x
  2. Step 2: Convert to fraction form
    1,247,680.61/1,721,786.04 = 703,993.32/x
  3. Step 3: Cross multiply
    1,247,680.61x = 1,721,786.04 × 703,993.32
  4. Step 4: Simplify right side
    1,247,680.61x = 1,212,125,870,629.25
  5. Step 5: Solve for x
    x = 1,212,125,870,629.25/1,247,680.61
  6. Step 6: Final answer
    x = 971,503.34

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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.