Home / 1,954,678.80-2,929,879.80-691,856.40

Finding the Fourth Proportional to 1,954,678.80, 2,929,879.80 and 691,856.40

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Solution

The fourth proportional to 1,954,678.80, 2,929,879.80 and 691,856.40 is: 1,037,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,678.80 : 2,929,879.80 = 691,856.40 : x
  2. Step 2: Convert to fraction form
    1,954,678.80/2,929,879.80 = 691,856.40/x
  3. Step 3: Cross multiply
    1,954,678.80x = 2,929,879.80 × 691,856.40
  4. Step 4: Simplify right side
    1,954,678.80x = 2,027,056,090,860.72
  5. Step 5: Solve for x
    x = 2,027,056,090,860.72/1,954,678.80
  6. Step 6: Final answer
    x = 1,037,027.72

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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.