Home / 1,224,776.79-1,690,096.26-680,879.46

Finding the Fourth Proportional to 1,224,776.79, 1,690,096.26 and 680,879.46

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Solution

The fourth proportional to 1,224,776.79, 1,690,096.26 and 680,879.46 is: 939,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,776.79 : 1,690,096.26 = 680,879.46 : x
  2. Step 2: Convert to fraction form
    1,224,776.79/1,690,096.26 = 680,879.46/x
  3. Step 3: Cross multiply
    1,224,776.79x = 1,690,096.26 × 680,879.46
  4. Step 4: Simplify right side
    1,224,776.79x = 1,150,751,828,856.82
  5. Step 5: Solve for x
    x = 1,150,751,828,856.82/1,224,776.79
  6. Step 6: Final answer
    x = 939,560.45

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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.