Home / 1,405,696.68-2,108,526.39-340,748.37

Finding the Fourth Proportional to 1,405,696.68, 2,108,526.39 and 340,748.37

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Solution

The fourth proportional to 1,405,696.68, 2,108,526.39 and 340,748.37 is: 511,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,696.68 : 2,108,526.39 = 340,748.37 : x
  2. Step 2: Convert to fraction form
    1,405,696.68/2,108,526.39 = 340,748.37/x
  3. Step 3: Cross multiply
    1,405,696.68x = 2,108,526.39 × 340,748.37
  4. Step 4: Simplify right side
    1,405,696.68x = 718,476,930,494.48
  5. Step 5: Solve for x
    x = 718,476,930,494.48/1,405,696.68
  6. Step 6: Final answer
    x = 511,118.04

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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.