Home / 1,672,790.09-2,510,446.97-774,861.80

Finding the Fourth Proportional to 1,672,790.09, 2,510,446.97 and 774,861.80

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Solution

The fourth proportional to 1,672,790.09, 2,510,446.97 and 774,861.80 is: 1,162,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,790.09 : 2,510,446.97 = 774,861.80 : x
  2. Step 2: Convert to fraction form
    1,672,790.09/2,510,446.97 = 774,861.80/x
  3. Step 3: Cross multiply
    1,672,790.09x = 2,510,446.97 × 774,861.80
  4. Step 4: Simplify right side
    1,672,790.09x = 1,945,249,447,363.67
  5. Step 5: Solve for x
    x = 1,945,249,447,363.67/1,672,790.09
  6. Step 6: Final answer
    x = 1,162,877.20

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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.