Home / 1,389,471.28-2,085,202.32-591,313.48

Finding the Fourth Proportional to 1,389,471.28, 2,085,202.32 and 591,313.48

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Solution

The fourth proportional to 1,389,471.28, 2,085,202.32 and 591,313.48 is: 887,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,471.28 : 2,085,202.32 = 591,313.48 : x
  2. Step 2: Convert to fraction form
    1,389,471.28/2,085,202.32 = 591,313.48/x
  3. Step 3: Cross multiply
    1,389,471.28x = 2,085,202.32 × 591,313.48
  4. Step 4: Simplify right side
    1,389,471.28x = 1,233,008,240,343.27
  5. Step 5: Solve for x
    x = 1,233,008,240,343.27/1,389,471.28
  6. Step 6: Final answer
    x = 887,393.83

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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.