Home / 1,686,840.40-2,530,260.60-488,801.80

Finding the Fourth Proportional to 1,686,840.40, 2,530,260.60 and 488,801.80

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Solution

The fourth proportional to 1,686,840.40, 2,530,260.60 and 488,801.80 is: 733,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,840.40 : 2,530,260.60 = 488,801.80 : x
  2. Step 2: Convert to fraction form
    1,686,840.40/2,530,260.60 = 488,801.80/x
  3. Step 3: Cross multiply
    1,686,840.40x = 2,530,260.60 × 488,801.80
  4. Step 4: Simplify right side
    1,686,840.40x = 1,236,795,935,749.08
  5. Step 5: Solve for x
    x = 1,236,795,935,749.08/1,686,840.40
  6. Step 6: Final answer
    x = 733,202.70

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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.