Home / 1,557,025.20-2,335,100.40-492,393.60

Finding the Fourth Proportional to 1,557,025.20, 2,335,100.40 and 492,393.60

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Solution

The fourth proportional to 1,557,025.20, 2,335,100.40 and 492,393.60 is: 738,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,025.20 : 2,335,100.40 = 492,393.60 : x
  2. Step 2: Convert to fraction form
    1,557,025.20/2,335,100.40 = 492,393.60/x
  3. Step 3: Cross multiply
    1,557,025.20x = 2,335,100.40 × 492,393.60
  4. Step 4: Simplify right side
    1,557,025.20x = 1,149,788,492,317.44
  5. Step 5: Solve for x
    x = 1,149,788,492,317.44/1,557,025.20
  6. Step 6: Final answer
    x = 738,452.08

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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.