Home / 1,108,438.22-1,529,661.77-649,442.94

Finding the Fourth Proportional to 1,108,438.22, 1,529,661.77 and 649,442.94

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Solution

The fourth proportional to 1,108,438.22, 1,529,661.77 and 649,442.94 is: 896,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,438.22 : 1,529,661.77 = 649,442.94 : x
  2. Step 2: Convert to fraction form
    1,108,438.22/1,529,661.77 = 649,442.94/x
  3. Step 3: Cross multiply
    1,108,438.22x = 1,529,661.77 × 649,442.94
  4. Step 4: Simplify right side
    1,108,438.22x = 993,428,033,867.19
  5. Step 5: Solve for x
    x = 993,428,033,867.19/1,108,438.22
  6. Step 6: Final answer
    x = 896,241.23

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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.