Home / 1,386,297.80-2,079,446.70-1,183,344.20

Finding the Fourth Proportional to 1,386,297.80, 2,079,446.70 and 1,183,344.20

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Solution

The fourth proportional to 1,386,297.80, 2,079,446.70 and 1,183,344.20 is: 1,775,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,297.80 : 2,079,446.70 = 1,183,344.20 : x
  2. Step 2: Convert to fraction form
    1,386,297.80/2,079,446.70 = 1,183,344.20/x
  3. Step 3: Cross multiply
    1,386,297.80x = 2,079,446.70 × 1,183,344.20
  4. Step 4: Simplify right side
    1,386,297.80x = 2,460,701,191,654.14
  5. Step 5: Solve for x
    x = 2,460,701,191,654.14/1,386,297.80
  6. Step 6: Final answer
    x = 1,775,016.30

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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.