Home / 1,145,305.82-1,580,541.08-629,107.45

Finding the Fourth Proportional to 1,145,305.82, 1,580,541.08 and 629,107.45

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Solution

The fourth proportional to 1,145,305.82, 1,580,541.08 and 629,107.45 is: 868,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,305.82 : 1,580,541.08 = 629,107.45 : x
  2. Step 2: Convert to fraction form
    1,145,305.82/1,580,541.08 = 629,107.45/x
  3. Step 3: Cross multiply
    1,145,305.82x = 1,580,541.08 × 629,107.45
  4. Step 4: Simplify right side
    1,145,305.82x = 994,330,161,362.16
  5. Step 5: Solve for x
    x = 994,330,161,362.16/1,145,305.82
  6. Step 6: Final answer
    x = 868,178.74

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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.