Home / 1,181,107.80-1,769,037.30-971,155.80

Finding the Fourth Proportional to 1,181,107.80, 1,769,037.30 and 971,155.80

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Solution

The fourth proportional to 1,181,107.80, 1,769,037.30 and 971,155.80 is: 1,454,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,107.80 : 1,769,037.30 = 971,155.80 : x
  2. Step 2: Convert to fraction form
    1,181,107.80/1,769,037.30 = 971,155.80/x
  3. Step 3: Cross multiply
    1,181,107.80x = 1,769,037.30 × 971,155.80
  4. Step 4: Simplify right side
    1,181,107.80x = 1,718,010,834,311.34
  5. Step 5: Solve for x
    x = 1,718,010,834,311.34/1,181,107.80
  6. Step 6: Final answer
    x = 1,454,575.81

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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.