Home / 1,079,027.08-1,618,411.44-839,380.41

Finding the Fourth Proportional to 1,079,027.08, 1,618,411.44 and 839,380.41

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Solution

The fourth proportional to 1,079,027.08, 1,618,411.44 and 839,380.41 is: 1,258,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,027.08 : 1,618,411.44 = 839,380.41 : x
  2. Step 2: Convert to fraction form
    1,079,027.08/1,618,411.44 = 839,380.41/x
  3. Step 3: Cross multiply
    1,079,027.08x = 1,618,411.44 × 839,380.41
  4. Step 4: Simplify right side
    1,079,027.08x = 1,358,462,860,078.90
  5. Step 5: Solve for x
    x = 1,358,462,860,078.90/1,079,027.08
  6. Step 6: Final answer
    x = 1,258,970.13

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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.