Home / 1,172,293.86-1,758,194.74-330,648.78

Finding the Fourth Proportional to 1,172,293.86, 1,758,194.74 and 330,648.78

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Solution

The fourth proportional to 1,172,293.86, 1,758,194.74 and 330,648.78 is: 495,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,293.86 : 1,758,194.74 = 330,648.78 : x
  2. Step 2: Convert to fraction form
    1,172,293.86/1,758,194.74 = 330,648.78/x
  3. Step 3: Cross multiply
    1,172,293.86x = 1,758,194.74 × 330,648.78
  4. Step 4: Simplify right side
    1,172,293.86x = 581,344,945,783.42
  5. Step 5: Solve for x
    x = 581,344,945,783.42/1,172,293.86
  6. Step 6: Final answer
    x = 495,903.77

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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.