Home / 1,436,206.55-1,981,822.04-855,314.74

Finding the Fourth Proportional to 1,436,206.55, 1,981,822.04 and 855,314.74

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Solution

The fourth proportional to 1,436,206.55, 1,981,822.04 and 855,314.74 is: 1,180,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,206.55 : 1,981,822.04 = 855,314.74 : x
  2. Step 2: Convert to fraction form
    1,436,206.55/1,981,822.04 = 855,314.74/x
  3. Step 3: Cross multiply
    1,436,206.55x = 1,981,822.04 × 855,314.74
  4. Step 4: Simplify right side
    1,436,206.55x = 1,695,081,604,277.00
  5. Step 5: Solve for x
    x = 1,695,081,604,277.00/1,436,206.55
  6. Step 6: Final answer
    x = 1,180,249.19

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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.