Home / 1,023,857.80-1,535,786.70-455,237.80

Finding the Fourth Proportional to 1,023,857.80, 1,535,786.70 and 455,237.80

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Solution

The fourth proportional to 1,023,857.80, 1,535,786.70 and 455,237.80 is: 682,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,857.80 : 1,535,786.70 = 455,237.80 : x
  2. Step 2: Convert to fraction form
    1,023,857.80/1,535,786.70 = 455,237.80/x
  3. Step 3: Cross multiply
    1,023,857.80x = 1,535,786.70 × 455,237.80
  4. Step 4: Simplify right side
    1,023,857.80x = 699,148,158,577.26
  5. Step 5: Solve for x
    x = 699,148,158,577.26/1,023,857.80
  6. Step 6: Final answer
    x = 682,856.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.