Home / 1,072,316.40-1,606,024.08-511,744.56

Finding the Fourth Proportional to 1,072,316.40, 1,606,024.08 and 511,744.56

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Solution

The fourth proportional to 1,072,316.40, 1,606,024.08 and 511,744.56 is: 766,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,316.40 : 1,606,024.08 = 511,744.56 : x
  2. Step 2: Convert to fraction form
    1,072,316.40/1,606,024.08 = 511,744.56/x
  3. Step 3: Cross multiply
    1,072,316.40x = 1,606,024.08 × 511,744.56
  4. Step 4: Simplify right side
    1,072,316.40x = 821,874,086,169.01
  5. Step 5: Solve for x
    x = 821,874,086,169.01/1,072,316.40
  6. Step 6: Final answer
    x = 766,447.37

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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.