Home / 1,162,784.44-1,604,775.54-646,589.80

Finding the Fourth Proportional to 1,162,784.44, 1,604,775.54 and 646,589.80

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Solution

The fourth proportional to 1,162,784.44, 1,604,775.54 and 646,589.80 is: 892,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,784.44 : 1,604,775.54 = 646,589.80 : x
  2. Step 2: Convert to fraction form
    1,162,784.44/1,604,775.54 = 646,589.80/x
  3. Step 3: Cross multiply
    1,162,784.44x = 1,604,775.54 × 646,589.80
  4. Step 4: Simplify right side
    1,162,784.44x = 1,037,631,495,453.49
  5. Step 5: Solve for x
    x = 1,037,631,495,453.49/1,162,784.44
  6. Step 6: Final answer
    x = 892,367.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.