Home / 1,285,202.49-1,928,074.37-486,466.35

Finding the Fourth Proportional to 1,285,202.49, 1,928,074.37 and 486,466.35

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Solution

The fourth proportional to 1,285,202.49, 1,928,074.37 and 486,466.35 is: 729,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,202.49 : 1,928,074.37 = 486,466.35 : x
  2. Step 2: Convert to fraction form
    1,285,202.49/1,928,074.37 = 486,466.35/x
  3. Step 3: Cross multiply
    1,285,202.49x = 1,928,074.37 × 486,466.35
  4. Step 4: Simplify right side
    1,285,202.49x = 937,943,301,302.45
  5. Step 5: Solve for x
    x = 937,943,301,302.45/1,285,202.49
  6. Step 6: Final answer
    x = 729,801.96

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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.