Home / 1,585,236.25-2,376,454.68-1,212,921.37

Finding the Fourth Proportional to 1,585,236.25, 2,376,454.68 and 1,212,921.37

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Solution

The fourth proportional to 1,585,236.25, 2,376,454.68 and 1,212,921.37 is: 1,818,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,236.25 : 2,376,454.68 = 1,212,921.37 : x
  2. Step 2: Convert to fraction form
    1,585,236.25/2,376,454.68 = 1,212,921.37/x
  3. Step 3: Cross multiply
    1,585,236.25x = 2,376,454.68 × 1,212,921.37
  4. Step 4: Simplify right side
    1,585,236.25x = 2,882,452,666,208.51
  5. Step 5: Solve for x
    x = 2,882,452,666,208.51/1,585,236.25
  6. Step 6: Final answer
    x = 1,818,311.10

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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.