Home / 1,019,866.60-1,529,895.84-300,208.78

Finding the Fourth Proportional to 1,019,866.60, 1,529,895.84 and 300,208.78

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Solution

The fourth proportional to 1,019,866.60, 1,529,895.84 and 300,208.78 is: 450,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,866.60 : 1,529,895.84 = 300,208.78 : x
  2. Step 2: Convert to fraction form
    1,019,866.60/1,529,895.84 = 300,208.78/x
  3. Step 3: Cross multiply
    1,019,866.60x = 1,529,895.84 × 300,208.78
  4. Step 4: Simplify right side
    1,019,866.60x = 459,288,163,653.48
  5. Step 5: Solve for x
    x = 459,288,163,653.48/1,019,866.60
  6. Step 6: Final answer
    x = 450,341.41

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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.