Home / 1,996,079.85-2,994,368.49-781,499.43

Finding the Fourth Proportional to 1,996,079.85, 2,994,368.49 and 781,499.43

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Solution

The fourth proportional to 1,996,079.85, 2,994,368.49 and 781,499.43 is: 1,172,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,079.85 : 2,994,368.49 = 781,499.43 : x
  2. Step 2: Convert to fraction form
    1,996,079.85/2,994,368.49 = 781,499.43/x
  3. Step 3: Cross multiply
    1,996,079.85x = 2,994,368.49 × 781,499.43
  4. Step 4: Simplify right side
    1,996,079.85x = 2,340,097,268,144.96
  5. Step 5: Solve for x
    x = 2,340,097,268,144.96/1,996,079.85
  6. Step 6: Final answer
    x = 1,172,346.52

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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.