Home / 1,903,478-2,855,083.40-892,821.60

Finding the Fourth Proportional to 1,903,478, 2,855,083.40 and 892,821.60

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Solution

The fourth proportional to 1,903,478, 2,855,083.40 and 892,821.60 is: 1,339,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,478 : 2,855,083.40 = 892,821.60 : x
  2. Step 2: Convert to fraction form
    1,903,478/2,855,083.40 = 892,821.60/x
  3. Step 3: Cross multiply
    1,903,478x = 2,855,083.40 × 892,821.60
  4. Step 4: Simplify right side
    1,903,478x = 2,549,080,129,321.44
  5. Step 5: Solve for x
    x = 2,549,080,129,321.44/1,903,478
  6. Step 6: Final answer
    x = 1,339,169.74

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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.