Home / 1,290,039.02-1,934,310.83-436,825.88

Finding the Fourth Proportional to 1,290,039.02, 1,934,310.83 and 436,825.88

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Solution

The fourth proportional to 1,290,039.02, 1,934,310.83 and 436,825.88 is: 654,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,039.02 : 1,934,310.83 = 436,825.88 : x
  2. Step 2: Convert to fraction form
    1,290,039.02/1,934,310.83 = 436,825.88/x
  3. Step 3: Cross multiply
    1,290,039.02x = 1,934,310.83 × 436,825.88
  4. Step 4: Simplify right side
    1,290,039.02x = 844,957,030,508.28
  5. Step 5: Solve for x
    x = 844,957,030,508.28/1,290,039.02
  6. Step 6: Final answer
    x = 654,985.64

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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.