Home / 1,803,896.05-2,705,970.39-724,408.56

Finding the Fourth Proportional to 1,803,896.05, 2,705,970.39 and 724,408.56

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Solution

The fourth proportional to 1,803,896.05, 2,705,970.39 and 724,408.56 is: 1,086,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,896.05 : 2,705,970.39 = 724,408.56 : x
  2. Step 2: Convert to fraction form
    1,803,896.05/2,705,970.39 = 724,408.56/x
  3. Step 3: Cross multiply
    1,803,896.05x = 2,705,970.39 × 724,408.56
  4. Step 4: Simplify right side
    1,803,896.05x = 1,960,228,113,622.54
  5. Step 5: Solve for x
    x = 1,960,228,113,622.54/1,803,896.05
  6. Step 6: Final answer
    x = 1,086,663.57

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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.