Home / 1,557,803.82-2,336,790.78-492,766.68

Finding the Fourth Proportional to 1,557,803.82, 2,336,790.78 and 492,766.68

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Solution

The fourth proportional to 1,557,803.82, 2,336,790.78 and 492,766.68 is: 739,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,803.82 : 2,336,790.78 = 492,766.68 : x
  2. Step 2: Convert to fraction form
    1,557,803.82/2,336,790.78 = 492,766.68/x
  3. Step 3: Cross multiply
    1,557,803.82x = 2,336,790.78 × 492,766.68
  4. Step 4: Simplify right side
    1,557,803.82x = 1,151,492,634,515.21
  5. Step 5: Solve for x
    x = 1,151,492,634,515.21/1,557,803.82
  6. Step 6: Final answer
    x = 739,176.92

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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.