Home / 1,405,618.70-2,108,428.00-340,660.76

Finding the Fourth Proportional to 1,405,618.70, 2,108,428.00 and 340,660.76

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Solution

The fourth proportional to 1,405,618.70, 2,108,428.00 and 340,660.76 is: 510,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,618.70 : 2,108,428.00 = 340,660.76 : x
  2. Step 2: Convert to fraction form
    1,405,618.70/2,108,428.00 = 340,660.76/x
  3. Step 3: Cross multiply
    1,405,618.70x = 2,108,428.00 × 340,660.76
  4. Step 4: Simplify right side
    1,405,618.70x = 718,258,673,491.49
  5. Step 5: Solve for x
    x = 718,258,673,491.49/1,405,618.70
  6. Step 6: Final answer
    x = 510,991.12

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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.