Home / 1,206,884.20-1,808,252.70-637,421.80

Finding the Fourth Proportional to 1,206,884.20, 1,808,252.70 and 637,421.80

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Solution

The fourth proportional to 1,206,884.20, 1,808,252.70 and 637,421.80 is: 955,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,884.20 : 1,808,252.70 = 637,421.80 : x
  2. Step 2: Convert to fraction form
    1,206,884.20/1,808,252.70 = 637,421.80/x
  3. Step 3: Cross multiply
    1,206,884.20x = 1,808,252.70 × 637,421.80
  4. Step 4: Simplify right side
    1,206,884.20x = 1,152,619,690,888.86
  5. Step 5: Solve for x
    x = 1,152,619,690,888.86/1,206,884.20
  6. Step 6: Final answer
    x = 955,037.52

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