Home / 1,790,968.42-2,686,649.46-892,636.30

Finding the Fourth Proportional to 1,790,968.42, 2,686,649.46 and 892,636.30

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Solution

The fourth proportional to 1,790,968.42, 2,686,649.46 and 892,636.30 is: 1,339,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,968.42 : 2,686,649.46 = 892,636.30 : x
  2. Step 2: Convert to fraction form
    1,790,968.42/2,686,649.46 = 892,636.30/x
  3. Step 3: Cross multiply
    1,790,968.42x = 2,686,649.46 × 892,636.30
  4. Step 4: Simplify right side
    1,790,968.42x = 2,398,200,833,371.40
  5. Step 5: Solve for x
    x = 2,398,200,833,371.40/1,790,968.42
  6. Step 6: Final answer
    x = 1,339,052.55

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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.