Home / 1,809,994.74-2,712,542.64-687,451.38

Finding the Fourth Proportional to 1,809,994.74, 2,712,542.64 and 687,451.38

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Solution

The fourth proportional to 1,809,994.74, 2,712,542.64 and 687,451.38 is: 1,030,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,994.74 : 2,712,542.64 = 687,451.38 : x
  2. Step 2: Convert to fraction form
    1,809,994.74/2,712,542.64 = 687,451.38/x
  3. Step 3: Cross multiply
    1,809,994.74x = 2,712,542.64 × 687,451.38
  4. Step 4: Simplify right side
    1,809,994.74x = 1,864,741,181,176.84
  5. Step 5: Solve for x
    x = 1,864,741,181,176.84/1,809,994.74
  6. Step 6: Final answer
    x = 1,030,246.74

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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.