Home / 1,247,343.80-1,870,999.29-300,706.92

Finding the Fourth Proportional to 1,247,343.80, 1,870,999.29 and 300,706.92

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Solution

The fourth proportional to 1,247,343.80, 1,870,999.29 and 300,706.92 is: 451,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,343.80 : 1,870,999.29 = 300,706.92 : x
  2. Step 2: Convert to fraction form
    1,247,343.80/1,870,999.29 = 300,706.92/x
  3. Step 3: Cross multiply
    1,247,343.80x = 1,870,999.29 × 300,706.92
  4. Step 4: Simplify right side
    1,247,343.80x = 562,622,433,818.09
  5. Step 5: Solve for x
    x = 562,622,433,818.09/1,247,343.80
  6. Step 6: Final answer
    x = 451,056.43

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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.