Home / 1,292,908.47-1,939,362.66-609,636.29

Finding the Fourth Proportional to 1,292,908.47, 1,939,362.66 and 609,636.29

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Solution

The fourth proportional to 1,292,908.47, 1,939,362.66 and 609,636.29 is: 914,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,908.47 : 1,939,362.66 = 609,636.29 : x
  2. Step 2: Convert to fraction form
    1,292,908.47/1,939,362.66 = 609,636.29/x
  3. Step 3: Cross multiply
    1,292,908.47x = 1,939,362.66 × 609,636.29
  4. Step 4: Simplify right side
    1,292,908.47x = 1,182,305,847,310.12
  5. Step 5: Solve for x
    x = 1,182,305,847,310.12/1,292,908.47
  6. Step 6: Final answer
    x = 914,454.41

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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.