Home / 1,745,821.86-2,408,442.96-1,261,620.06

Finding the Fourth Proportional to 1,745,821.86, 2,408,442.96 and 1,261,620.06

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Solution

The fourth proportional to 1,745,821.86, 2,408,442.96 and 1,261,620.06 is: 1,740,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,821.86 : 2,408,442.96 = 1,261,620.06 : x
  2. Step 2: Convert to fraction form
    1,745,821.86/2,408,442.96 = 1,261,620.06/x
  3. Step 3: Cross multiply
    1,745,821.86x = 2,408,442.96 × 1,261,620.06
  4. Step 4: Simplify right side
    1,745,821.86x = 3,038,539,951,701.78
  5. Step 5: Solve for x
    x = 3,038,539,951,701.78/1,745,821.86
  6. Step 6: Final answer
    x = 1,740,463.92

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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.