Home / 1,470,171-2,204,983.12-459,317.76

Finding the Fourth Proportional to 1,470,171, 2,204,983.12 and 459,317.76

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Solution

The fourth proportional to 1,470,171, 2,204,983.12 and 459,317.76 is: 688,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,171 : 2,204,983.12 = 459,317.76 : x
  2. Step 2: Convert to fraction form
    1,470,171/2,204,983.12 = 459,317.76/x
  3. Step 3: Cross multiply
    1,470,171x = 2,204,983.12 × 459,317.76
  4. Step 4: Simplify right side
    1,470,171x = 1,012,787,907,516.21
  5. Step 5: Solve for x
    x = 1,012,787,907,516.21/1,470,171
  6. Step 6: Final answer
    x = 688,891.23

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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.