Home / 1,199,359.56-1,799,037.72-312,895.56

Finding the Fourth Proportional to 1,199,359.56, 1,799,037.72 and 312,895.56

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Solution

The fourth proportional to 1,199,359.56, 1,799,037.72 and 312,895.56 is: 469,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,359.56 : 1,799,037.72 = 312,895.56 : x
  2. Step 2: Convert to fraction form
    1,199,359.56/1,799,037.72 = 312,895.56/x
  3. Step 3: Cross multiply
    1,199,359.56x = 1,799,037.72 × 312,895.56
  4. Step 4: Simplify right side
    1,199,359.56x = 562,910,914,860.52
  5. Step 5: Solve for x
    x = 562,910,914,860.52/1,199,359.56
  6. Step 6: Final answer
    x = 469,342.92

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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.