Home / 1,412,079.50-2,118,119.26-414,807.50

Finding the Fourth Proportional to 1,412,079.50, 2,118,119.26 and 414,807.50

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Solution

The fourth proportional to 1,412,079.50, 2,118,119.26 and 414,807.50 is: 622,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,079.50 : 2,118,119.26 = 414,807.50 : x
  2. Step 2: Convert to fraction form
    1,412,079.50/2,118,119.26 = 414,807.50/x
  3. Step 3: Cross multiply
    1,412,079.50x = 2,118,119.26 × 414,807.50
  4. Step 4: Simplify right side
    1,412,079.50x = 878,611,754,942.45
  5. Step 5: Solve for x
    x = 878,611,754,942.45/1,412,079.50
  6. Step 6: Final answer
    x = 622,211.25

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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.