Home / 1,503,172.49-2,074,380.81-814,842.22

Finding the Fourth Proportional to 1,503,172.49, 2,074,380.81 and 814,842.22

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Solution

The fourth proportional to 1,503,172.49, 2,074,380.81 and 814,842.22 is: 1,124,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,172.49 : 2,074,380.81 = 814,842.22 : x
  2. Step 2: Convert to fraction form
    1,503,172.49/2,074,380.81 = 814,842.22/x
  3. Step 3: Cross multiply
    1,503,172.49x = 2,074,380.81 × 814,842.22
  4. Step 4: Simplify right side
    1,503,172.49x = 1,690,293,059,993.65
  5. Step 5: Solve for x
    x = 1,690,293,059,993.65/1,503,172.49
  6. Step 6: Final answer
    x = 1,124,483.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.