Home / 1,318,809.22-1,820,033.46-738,027.43

Finding the Fourth Proportional to 1,318,809.22, 1,820,033.46 and 738,027.43

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Solution

The fourth proportional to 1,318,809.22, 1,820,033.46 and 738,027.43 is: 1,018,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,809.22 : 1,820,033.46 = 738,027.43 : x
  2. Step 2: Convert to fraction form
    1,318,809.22/1,820,033.46 = 738,027.43/x
  3. Step 3: Cross multiply
    1,318,809.22x = 1,820,033.46 × 738,027.43
  4. Step 4: Simplify right side
    1,318,809.22x = 1,343,234,616,997.81
  5. Step 5: Solve for x
    x = 1,343,234,616,997.81/1,318,809.22
  6. Step 6: Final answer
    x = 1,018,520.80

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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.