Home / 1,206,870-1,811,887.08-809,289.84

Finding the Fourth Proportional to 1,206,870, 1,811,887.08 and 809,289.84

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Solution

The fourth proportional to 1,206,870, 1,811,887.08 and 809,289.84 is: 1,214,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,870 : 1,811,887.08 = 809,289.84 : x
  2. Step 2: Convert to fraction form
    1,206,870/1,811,887.08 = 809,289.84/x
  3. Step 3: Cross multiply
    1,206,870x = 1,811,887.08 × 809,289.84
  4. Step 4: Simplify right side
    1,206,870x = 1,466,341,805,071.27
  5. Step 5: Solve for x
    x = 1,466,341,805,071.27/1,206,870
  6. Step 6: Final answer
    x = 1,214,995.65

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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.