Home / 1,407,384.96-1,942,371.11-787,224.59

Finding the Fourth Proportional to 1,407,384.96, 1,942,371.11 and 787,224.59

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Solution

The fourth proportional to 1,407,384.96, 1,942,371.11 and 787,224.59 is: 1,086,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,384.96 : 1,942,371.11 = 787,224.59 : x
  2. Step 2: Convert to fraction form
    1,407,384.96/1,942,371.11 = 787,224.59/x
  3. Step 3: Cross multiply
    1,407,384.96x = 1,942,371.11 × 787,224.59
  4. Step 4: Simplify right side
    1,407,384.96x = 1,529,082,300,237.69
  5. Step 5: Solve for x
    x = 1,529,082,300,237.69/1,407,384.96
  6. Step 6: Final answer
    x = 1,086,470.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.