Home / 1,790,930.52-2,686,528.01-511,646.29

Finding the Fourth Proportional to 1,790,930.52, 2,686,528.01 and 511,646.29

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Solution

The fourth proportional to 1,790,930.52, 2,686,528.01 and 511,646.29 is: 767,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,930.52 : 2,686,528.01 = 511,646.29 : x
  2. Step 2: Convert to fraction form
    1,790,930.52/2,686,528.01 = 511,646.29/x
  3. Step 3: Cross multiply
    1,790,930.52x = 2,686,528.01 × 511,646.29
  4. Step 4: Simplify right side
    1,790,930.52x = 1,374,552,083,860.38
  5. Step 5: Solve for x
    x = 1,374,552,083,860.38/1,790,930.52
  6. Step 6: Final answer
    x = 767,507.21

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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.