Home / 1,172,129.54-1,757,734.22-413,809.16

Finding the Fourth Proportional to 1,172,129.54, 1,757,734.22 and 413,809.16

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Solution

The fourth proportional to 1,172,129.54, 1,757,734.22 and 413,809.16 is: 620,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,129.54 : 1,757,734.22 = 413,809.16 : x
  2. Step 2: Convert to fraction form
    1,172,129.54/1,757,734.22 = 413,809.16/x
  3. Step 3: Cross multiply
    1,172,129.54x = 1,757,734.22 × 413,809.16
  4. Step 4: Simplify right side
    1,172,129.54x = 727,366,513,327.31
  5. Step 5: Solve for x
    x = 727,366,513,327.31/1,172,129.54
  6. Step 6: Final answer
    x = 620,551.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.