Home / 1,245,767.40-1,868,651.70-347,232.38

Finding the Fourth Proportional to 1,245,767.40, 1,868,651.70 and 347,232.38

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Solution

The fourth proportional to 1,245,767.40, 1,868,651.70 and 347,232.38 is: 520,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,767.40 : 1,868,651.70 = 347,232.38 : x
  2. Step 2: Convert to fraction form
    1,245,767.40/1,868,651.70 = 347,232.38/x
  3. Step 3: Cross multiply
    1,245,767.40x = 1,868,651.70 × 347,232.38
  4. Step 4: Simplify right side
    1,245,767.40x = 648,856,367,838.79
  5. Step 5: Solve for x
    x = 648,856,367,838.79/1,245,767.40
  6. Step 6: Final answer
    x = 520,848.73

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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.