Home / 1,156,122.86-1,595,450.94-646,825.64

Finding the Fourth Proportional to 1,156,122.86, 1,595,450.94 and 646,825.64

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Solution

The fourth proportional to 1,156,122.86, 1,595,450.94 and 646,825.64 is: 892,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,122.86 : 1,595,450.94 = 646,825.64 : x
  2. Step 2: Convert to fraction form
    1,156,122.86/1,595,450.94 = 646,825.64/x
  3. Step 3: Cross multiply
    1,156,122.86x = 1,595,450.94 × 646,825.64
  4. Step 4: Simplify right side
    1,156,122.86x = 1,031,978,575,354.10
  5. Step 5: Solve for x
    x = 1,031,978,575,354.10/1,156,122.86
  6. Step 6: Final answer
    x = 892,620.16

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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.