Home / 1,605,812.25-2,407,756.48-511,124.26

Finding the Fourth Proportional to 1,605,812.25, 2,407,756.48 and 511,124.26

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Solution

The fourth proportional to 1,605,812.25, 2,407,756.48 and 511,124.26 is: 766,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,812.25 : 2,407,756.48 = 511,124.26 : x
  2. Step 2: Convert to fraction form
    1,605,812.25/2,407,756.48 = 511,124.26/x
  3. Step 3: Cross multiply
    1,605,812.25x = 2,407,756.48 × 511,124.26
  4. Step 4: Simplify right side
    1,605,812.25x = 1,230,662,758,990.97
  5. Step 5: Solve for x
    x = 1,230,662,758,990.97/1,605,812.25
  6. Step 6: Final answer
    x = 766,380.23

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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.