Home / 1,209,716.24-1,814,579.11-490,071.55

Finding the Fourth Proportional to 1,209,716.24, 1,814,579.11 and 490,071.55

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Solution

The fourth proportional to 1,209,716.24, 1,814,579.11 and 490,071.55 is: 735,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,716.24 : 1,814,579.11 = 490,071.55 : x
  2. Step 2: Convert to fraction form
    1,209,716.24/1,814,579.11 = 490,071.55/x
  3. Step 3: Cross multiply
    1,209,716.24x = 1,814,579.11 × 490,071.55
  4. Step 4: Simplify right side
    1,209,716.24x = 889,273,597,035.32
  5. Step 5: Solve for x
    x = 889,273,597,035.32/1,209,716.24
  6. Step 6: Final answer
    x = 735,109.25

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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.