Home / 1,308,999.40-1,962,347.10-886,906.60

Finding the Fourth Proportional to 1,308,999.40, 1,962,347.10 and 886,906.60

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Solution

The fourth proportional to 1,308,999.40, 1,962,347.10 and 886,906.60 is: 1,329,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,999.40 : 1,962,347.10 = 886,906.60 : x
  2. Step 2: Convert to fraction form
    1,308,999.40/1,962,347.10 = 886,906.60/x
  3. Step 3: Cross multiply
    1,308,999.40x = 1,962,347.10 × 886,906.60
  4. Step 4: Simplify right side
    1,308,999.40x = 1,740,418,594,480.86
  5. Step 5: Solve for x
    x = 1,740,418,594,480.86/1,308,999.40
  6. Step 6: Final answer
    x = 1,329,579.37

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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.