Home / 1,339,571.70-2,009,325.15-806,688.90

Finding the Fourth Proportional to 1,339,571.70, 2,009,325.15 and 806,688.90

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Solution

The fourth proportional to 1,339,571.70, 2,009,325.15 and 806,688.90 is: 1,210,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,571.70 : 2,009,325.15 = 806,688.90 : x
  2. Step 2: Convert to fraction form
    1,339,571.70/2,009,325.15 = 806,688.90/x
  3. Step 3: Cross multiply
    1,339,571.70x = 2,009,325.15 × 806,688.90
  4. Step 4: Simplify right side
    1,339,571.70x = 1,620,900,294,995.84
  5. Step 5: Solve for x
    x = 1,620,900,294,995.84/1,339,571.70
  6. Step 6: Final answer
    x = 1,210,013.84

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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.