Home / 1,406,126.70-2,109,299.40-459,593.10

Finding the Fourth Proportional to 1,406,126.70, 2,109,299.40 and 459,593.10

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Solution

The fourth proportional to 1,406,126.70, 2,109,299.40 and 459,593.10 is: 689,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,126.70 : 2,109,299.40 = 459,593.10 : x
  2. Step 2: Convert to fraction form
    1,406,126.70/2,109,299.40 = 459,593.10/x
  3. Step 3: Cross multiply
    1,406,126.70x = 2,109,299.40 × 459,593.10
  4. Step 4: Simplify right side
    1,406,126.70x = 969,419,450,074.14
  5. Step 5: Solve for x
    x = 969,419,450,074.14/1,406,126.70
  6. Step 6: Final answer
    x = 689,425.39

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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.