Home / 1,766,969.40-2,650,138.56-470,129.24

Finding the Fourth Proportional to 1,766,969.40, 2,650,138.56 and 470,129.24

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Solution

The fourth proportional to 1,766,969.40, 2,650,138.56 and 470,129.24 is: 705,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,969.40 : 2,650,138.56 = 470,129.24 : x
  2. Step 2: Convert to fraction form
    1,766,969.40/2,650,138.56 = 470,129.24/x
  3. Step 3: Cross multiply
    1,766,969.40x = 2,650,138.56 × 470,129.24
  4. Step 4: Simplify right side
    1,766,969.40x = 1,245,907,627,107.49
  5. Step 5: Solve for x
    x = 1,245,907,627,107.49/1,766,969.40
  6. Step 6: Final answer
    x = 705,109.91

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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.