Home / 1,386,016.70-2,076,072.60-1,120,296.20

Finding the Fourth Proportional to 1,386,016.70, 2,076,072.60 and 1,120,296.20

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Solution

The fourth proportional to 1,386,016.70, 2,076,072.60 and 1,120,296.20 is: 1,678,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,016.70 : 2,076,072.60 = 1,120,296.20 : x
  2. Step 2: Convert to fraction form
    1,386,016.70/2,076,072.60 = 1,120,296.20/x
  3. Step 3: Cross multiply
    1,386,016.70x = 2,076,072.60 × 1,120,296.20
  4. Step 4: Simplify right side
    1,386,016.70x = 2,325,816,244,704.12
  5. Step 5: Solve for x
    x = 2,325,816,244,704.12/1,386,016.70
  6. Step 6: Final answer
    x = 1,678,057.88

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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.