Home / 1,206,509.50-1,809,362.36-486,665.29

Finding the Fourth Proportional to 1,206,509.50, 1,809,362.36 and 486,665.29

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Solution

The fourth proportional to 1,206,509.50, 1,809,362.36 and 486,665.29 is: 729,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,509.50 : 1,809,362.36 = 486,665.29 : x
  2. Step 2: Convert to fraction form
    1,206,509.50/1,809,362.36 = 486,665.29/x
  3. Step 3: Cross multiply
    1,206,509.50x = 1,809,362.36 × 486,665.29
  4. Step 4: Simplify right side
    1,206,509.50x = 880,553,848,597.67
  5. Step 5: Solve for x
    x = 880,553,848,597.67/1,206,509.50
  6. Step 6: Final answer
    x = 729,835.82

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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.