Home / 1,206,507.87-1,809,359.93-486,663.66

Finding the Fourth Proportional to 1,206,507.87, 1,809,359.93 and 486,663.66

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Solution

The fourth proportional to 1,206,507.87, 1,809,359.93 and 486,663.66 is: 729,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,507.87 : 1,809,359.93 = 486,663.66 : x
  2. Step 2: Convert to fraction form
    1,206,507.87/1,809,359.93 = 486,663.66/x
  3. Step 3: Cross multiply
    1,206,507.87x = 1,809,359.93 × 486,663.66
  4. Step 4: Simplify right side
    1,206,507.87x = 880,549,716,744.34
  5. Step 5: Solve for x
    x = 880,549,716,744.34/1,206,507.87
  6. Step 6: Final answer
    x = 729,833.38

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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.