Home / 1,207,806.30-1,811,709.45-809,675.10

Finding the Fourth Proportional to 1,207,806.30, 1,811,709.45 and 809,675.10

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Solution

The fourth proportional to 1,207,806.30, 1,811,709.45 and 809,675.10 is: 1,214,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,806.30 : 1,811,709.45 = 809,675.10 : x
  2. Step 2: Convert to fraction form
    1,207,806.30/1,811,709.45 = 809,675.10/x
  3. Step 3: Cross multiply
    1,207,806.30x = 1,811,709.45 × 809,675.10
  4. Step 4: Simplify right side
    1,207,806.30x = 1,466,896,030,099.69
  5. Step 5: Solve for x
    x = 1,466,896,030,099.69/1,207,806.30
  6. Step 6: Final answer
    x = 1,214,512.65

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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.