Home / 1,318,818.50-1,820,067.35-738,099.82

Finding the Fourth Proportional to 1,318,818.50, 1,820,067.35 and 738,099.82

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Solution

The fourth proportional to 1,318,818.50, 1,820,067.35 and 738,099.82 is: 1,018,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,818.50 : 1,820,067.35 = 738,099.82 : x
  2. Step 2: Convert to fraction form
    1,318,818.50/1,820,067.35 = 738,099.82/x
  3. Step 3: Cross multiply
    1,318,818.50x = 1,820,067.35 × 738,099.82
  4. Step 4: Simplify right side
    1,318,818.50x = 1,343,391,383,422.88
  5. Step 5: Solve for x
    x = 1,343,391,383,422.88/1,318,818.50
  6. Step 6: Final answer
    x = 1,018,632.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.