Home / 1,028,513.60-1,542,770.40-280,558.40

Finding the Fourth Proportional to 1,028,513.60, 1,542,770.40 and 280,558.40

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Solution

The fourth proportional to 1,028,513.60, 1,542,770.40 and 280,558.40 is: 420,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,513.60 : 1,542,770.40 = 280,558.40 : x
  2. Step 2: Convert to fraction form
    1,028,513.60/1,542,770.40 = 280,558.40/x
  3. Step 3: Cross multiply
    1,028,513.60x = 1,542,770.40 × 280,558.40
  4. Step 4: Simplify right side
    1,028,513.60x = 432,837,194,991.36
  5. Step 5: Solve for x
    x = 432,837,194,991.36/1,028,513.60
  6. Step 6: Final answer
    x = 420,837.60

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1.5x scale

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.