Home / 1,318,814.22-1,820,040.36-738,032.44

Finding the Fourth Proportional to 1,318,814.22, 1,820,040.36 and 738,032.44

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Solution

The fourth proportional to 1,318,814.22, 1,820,040.36 and 738,032.44 is: 1,018,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,814.22 : 1,820,040.36 = 738,032.44 : x
  2. Step 2: Convert to fraction form
    1,318,814.22/1,820,040.36 = 738,032.44/x
  3. Step 3: Cross multiply
    1,318,814.22x = 1,820,040.36 × 738,032.44
  4. Step 4: Simplify right side
    1,318,814.22x = 1,343,248,827,789.28
  5. Step 5: Solve for x
    x = 1,343,248,827,789.28/1,318,814.22
  6. Step 6: Final answer
    x = 1,018,527.71

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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.