Home / 1,258,898.40-1,888,535.17-449,219.67

Finding the Fourth Proportional to 1,258,898.40, 1,888,535.17 and 449,219.67

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Solution

The fourth proportional to 1,258,898.40, 1,888,535.17 and 449,219.67 is: 673,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,898.40 : 1,888,535.17 = 449,219.67 : x
  2. Step 2: Convert to fraction form
    1,258,898.40/1,888,535.17 = 449,219.67/x
  3. Step 3: Cross multiply
    1,258,898.40x = 1,888,535.17 × 449,219.67
  4. Step 4: Simplify right side
    1,258,898.40x = 848,367,144,727.75
  5. Step 5: Solve for x
    x = 848,367,144,727.75/1,258,898.40
  6. Step 6: Final answer
    x = 673,896.44

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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.