Home / 1,220,429.35-1,684,862.85-833,826.07

Finding the Fourth Proportional to 1,220,429.35, 1,684,862.85 and 833,826.07

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Solution

The fourth proportional to 1,220,429.35, 1,684,862.85 and 833,826.07 is: 1,151,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,429.35 : 1,684,862.85 = 833,826.07 : x
  2. Step 2: Convert to fraction form
    1,220,429.35/1,684,862.85 = 833,826.07/x
  3. Step 3: Cross multiply
    1,220,429.35x = 1,684,862.85 × 833,826.07
  4. Step 4: Simplify right side
    1,220,429.35x = 1,404,882,568,704.50
  5. Step 5: Solve for x
    x = 1,404,882,568,704.50/1,220,429.35
  6. Step 6: Final answer
    x = 1,151,137.97

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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.