Home / 1,290,039.52-1,934,311.58-436,826.38

Finding the Fourth Proportional to 1,290,039.52, 1,934,311.58 and 436,826.38

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Solution

The fourth proportional to 1,290,039.52, 1,934,311.58 and 436,826.38 is: 654,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,039.52 : 1,934,311.58 = 436,826.38 : x
  2. Step 2: Convert to fraction form
    1,290,039.52/1,934,311.58 = 436,826.38/x
  3. Step 3: Cross multiply
    1,290,039.52x = 1,934,311.58 × 436,826.38
  4. Step 4: Simplify right side
    1,290,039.52x = 844,958,325,283.48
  5. Step 5: Solve for x
    x = 844,958,325,283.48/1,290,039.52
  6. Step 6: Final answer
    x = 654,986.39

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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.