Home / 1,546,105.86-2,133,643.68-857,790.54

Finding the Fourth Proportional to 1,546,105.86, 2,133,643.68 and 857,790.54

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Solution

The fourth proportional to 1,546,105.86, 2,133,643.68 and 857,790.54 is: 1,183,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546,105.86 : 2,133,643.68 = 857,790.54 : x
  2. Step 2: Convert to fraction form
    1,546,105.86/2,133,643.68 = 857,790.54/x
  3. Step 3: Cross multiply
    1,546,105.86x = 2,133,643.68 × 857,790.54
  4. Step 4: Simplify right side
    1,546,105.86x = 1,830,219,364,434.79
  5. Step 5: Solve for x
    x = 1,830,219,364,434.79/1,546,105.86
  6. Step 6: Final answer
    x = 1,183,760.71

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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.