Home / 1,470,692.39-2,206,040.31-459,819.63

Finding the Fourth Proportional to 1,470,692.39, 2,206,040.31 and 459,819.63

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Solution

The fourth proportional to 1,470,692.39, 2,206,040.31 and 459,819.63 is: 689,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,692.39 : 2,206,040.31 = 459,819.63 : x
  2. Step 2: Convert to fraction form
    1,470,692.39/2,206,040.31 = 459,819.63/x
  3. Step 3: Cross multiply
    1,470,692.39x = 2,206,040.31 × 459,819.63
  4. Step 4: Simplify right side
    1,470,692.39x = 1,014,380,639,109.29
  5. Step 5: Solve for x
    x = 1,014,380,639,109.29/1,470,692.39
  6. Step 6: Final answer
    x = 689,729.99

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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.