Home / 1,218,021.70-1,680,722.38-701,944.83

Finding the Fourth Proportional to 1,218,021.70, 1,680,722.38 and 701,944.83

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Solution

The fourth proportional to 1,218,021.70, 1,680,722.38 and 701,944.83 is: 968,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,021.70 : 1,680,722.38 = 701,944.83 : x
  2. Step 2: Convert to fraction form
    1,218,021.70/1,680,722.38 = 701,944.83/x
  3. Step 3: Cross multiply
    1,218,021.70x = 1,680,722.38 × 701,944.83
  4. Step 4: Simplify right side
    1,218,021.70x = 1,179,774,383,551.43
  5. Step 5: Solve for x
    x = 1,179,774,383,551.43/1,218,021.70
  6. Step 6: Final answer
    x = 968,598.82

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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.