Home / 1,384,126.70-2,073,954.45-783,301.10

Finding the Fourth Proportional to 1,384,126.70, 2,073,954.45 and 783,301.10

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Solution

The fourth proportional to 1,384,126.70, 2,073,954.45 and 783,301.10 is: 1,173,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,126.70 : 2,073,954.45 = 783,301.10 : x
  2. Step 2: Convert to fraction form
    1,384,126.70/2,073,954.45 = 783,301.10/x
  3. Step 3: Cross multiply
    1,384,126.70x = 2,073,954.45 × 783,301.10
  4. Step 4: Simplify right side
    1,384,126.70x = 1,624,530,802,034.90
  5. Step 5: Solve for x
    x = 1,624,530,802,034.90/1,384,126.70
  6. Step 6: Final answer
    x = 1,173,686.49

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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.