Home / 1,435,971.88-1,981,935.25-855,535.04

Finding the Fourth Proportional to 1,435,971.88, 1,981,935.25 and 855,535.04

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Solution

The fourth proportional to 1,435,971.88, 1,981,935.25 and 855,535.04 is: 1,180,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,971.88 : 1,981,935.25 = 855,535.04 : x
  2. Step 2: Convert to fraction form
    1,435,971.88/1,981,935.25 = 855,535.04/x
  3. Step 3: Cross multiply
    1,435,971.88x = 1,981,935.25 × 855,535.04
  4. Step 4: Simplify right side
    1,435,971.88x = 1,695,615,048,008.10
  5. Step 5: Solve for x
    x = 1,695,615,048,008.10/1,435,971.88
  6. Step 6: Final answer
    x = 1,180,813.55

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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.