Home / 1,072,922.40-1,606,759.20-511,300.80

Finding the Fourth Proportional to 1,072,922.40, 1,606,759.20 and 511,300.80

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Solution

The fourth proportional to 1,072,922.40, 1,606,759.20 and 511,300.80 is: 765,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,922.40 : 1,606,759.20 = 511,300.80 : x
  2. Step 2: Convert to fraction form
    1,072,922.40/1,606,759.20 = 511,300.80/x
  3. Step 3: Cross multiply
    1,072,922.40x = 1,606,759.20 × 511,300.80
  4. Step 4: Simplify right side
    1,072,922.40x = 821,537,264,367.36
  5. Step 5: Solve for x
    x = 821,537,264,367.36/1,072,922.40
  6. Step 6: Final answer
    x = 765,700.54

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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.