Home / 1,318,804.20-1,820,026.56-738,022.44

Finding the Fourth Proportional to 1,318,804.20, 1,820,026.56 and 738,022.44

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Solution

The fourth proportional to 1,318,804.20, 1,820,026.56 and 738,022.44 is: 1,018,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,804.20 : 1,820,026.56 = 738,022.44 : x
  2. Step 2: Convert to fraction form
    1,318,804.20/1,820,026.56 = 738,022.44/x
  3. Step 3: Cross multiply
    1,318,804.20x = 1,820,026.56 × 738,022.44
  4. Step 4: Simplify right side
    1,318,804.20x = 1,343,220,442,676.01
  5. Step 5: Solve for x
    x = 1,343,220,442,676.01/1,318,804.20
  6. Step 6: Final answer
    x = 1,018,513.93

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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.