Home / 1,479,087.34-2,219,467.53-805,215.23

Finding the Fourth Proportional to 1,479,087.34, 2,219,467.53 and 805,215.23

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Solution

The fourth proportional to 1,479,087.34, 2,219,467.53 and 805,215.23 is: 1,208,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,087.34 : 2,219,467.53 = 805,215.23 : x
  2. Step 2: Convert to fraction form
    1,479,087.34/2,219,467.53 = 805,215.23/x
  3. Step 3: Cross multiply
    1,479,087.34x = 2,219,467.53 × 805,215.23
  4. Step 4: Simplify right side
    1,479,087.34x = 1,787,149,057,891.70
  5. Step 5: Solve for x
    x = 1,787,149,057,891.70/1,479,087.34
  6. Step 6: Final answer
    x = 1,208,278.25

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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.