Home / 1,557,329.20-2,335,556.40-492,697.60

Finding the Fourth Proportional to 1,557,329.20, 2,335,556.40 and 492,697.60

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Solution

The fourth proportional to 1,557,329.20, 2,335,556.40 and 492,697.60 is: 738,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,329.20 : 2,335,556.40 = 492,697.60 : x
  2. Step 2: Convert to fraction form
    1,557,329.20/2,335,556.40 = 492,697.60/x
  3. Step 3: Cross multiply
    1,557,329.20x = 2,335,556.40 × 492,697.60
  4. Step 4: Simplify right side
    1,557,329.20x = 1,150,723,032,944.64
  5. Step 5: Solve for x
    x = 1,150,723,032,944.64/1,557,329.20
  6. Step 6: Final answer
    x = 738,908.02

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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.