Home / 1,765,505.40-2,648,258.10-1,659,217.20

Finding the Fourth Proportional to 1,765,505.40, 2,648,258.10 and 1,659,217.20

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Solution

The fourth proportional to 1,765,505.40, 2,648,258.10 and 1,659,217.20 is: 2,488,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,505.40 : 2,648,258.10 = 1,659,217.20 : x
  2. Step 2: Convert to fraction form
    1,765,505.40/2,648,258.10 = 1,659,217.20/x
  3. Step 3: Cross multiply
    1,765,505.40x = 2,648,258.10 × 1,659,217.20
  4. Step 4: Simplify right side
    1,765,505.40x = 4,394,035,389,559.32
  5. Step 5: Solve for x
    x = 4,394,035,389,559.32/1,765,505.40
  6. Step 6: Final answer
    x = 2,488,825.80

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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.