Home / 1,557,381.20-2,335,634.40-492,749.60

Finding the Fourth Proportional to 1,557,381.20, 2,335,634.40 and 492,749.60

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Solution

The fourth proportional to 1,557,381.20, 2,335,634.40 and 492,749.60 is: 738,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,381.20 : 2,335,634.40 = 492,749.60 : x
  2. Step 2: Convert to fraction form
    1,557,381.20/2,335,634.40 = 492,749.60/x
  3. Step 3: Cross multiply
    1,557,381.20x = 2,335,634.40 × 492,749.60
  4. Step 4: Simplify right side
    1,557,381.20x = 1,150,882,916,346.24
  5. Step 5: Solve for x
    x = 1,150,882,916,346.24/1,557,381.20
  6. Step 6: Final answer
    x = 738,986.01

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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.