Home / 1,658,589.35-2,289,559.50-1,115,040.38

Finding the Fourth Proportional to 1,658,589.35, 2,289,559.50 and 1,115,040.38

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Solution

The fourth proportional to 1,658,589.35, 2,289,559.50 and 1,115,040.38 is: 1,539,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,589.35 : 2,289,559.50 = 1,115,040.38 : x
  2. Step 2: Convert to fraction form
    1,658,589.35/2,289,559.50 = 1,115,040.38/x
  3. Step 3: Cross multiply
    1,658,589.35x = 2,289,559.50 × 1,115,040.38
  4. Step 4: Simplify right side
    1,658,589.35x = 2,552,951,283,464.81
  5. Step 5: Solve for x
    x = 2,552,951,283,464.81/1,658,589.35
  6. Step 6: Final answer
    x = 1,539,230.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.