Home / 1,371,049.80-2,056,574.70-809,795.40

Finding the Fourth Proportional to 1,371,049.80, 2,056,574.70 and 809,795.40

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Solution

The fourth proportional to 1,371,049.80, 2,056,574.70 and 809,795.40 is: 1,214,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,049.80 : 2,056,574.70 = 809,795.40 : x
  2. Step 2: Convert to fraction form
    1,371,049.80/2,056,574.70 = 809,795.40/x
  3. Step 3: Cross multiply
    1,371,049.80x = 2,056,574.70 × 809,795.40
  4. Step 4: Simplify right side
    1,371,049.80x = 1,665,404,731,816.38
  5. Step 5: Solve for x
    x = 1,665,404,731,816.38/1,371,049.80
  6. Step 6: Final answer
    x = 1,214,693.10

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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.