Home / 1,362,810.82-1,880,678.98-790,183.16

Finding the Fourth Proportional to 1,362,810.82, 1,880,678.98 and 790,183.16

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Solution

The fourth proportional to 1,362,810.82, 1,880,678.98 and 790,183.16 is: 1,090,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,810.82 : 1,880,678.98 = 790,183.16 : x
  2. Step 2: Convert to fraction form
    1,362,810.82/1,880,678.98 = 790,183.16/x
  3. Step 3: Cross multiply
    1,362,810.82x = 1,880,678.98 × 790,183.16
  4. Step 4: Simplify right side
    1,362,810.82x = 1,486,080,859,361.98
  5. Step 5: Solve for x
    x = 1,486,080,859,361.98/1,362,810.82
  6. Step 6: Final answer
    x = 1,090,452.79

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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.