Home / 1,294,771.36-1,932,569.48-1,214,989.60

Finding the Fourth Proportional to 1,294,771.36, 1,932,569.48 and 1,214,989.60

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Solution

The fourth proportional to 1,294,771.36, 1,932,569.48 and 1,214,989.60 is: 1,813,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,771.36 : 1,932,569.48 = 1,214,989.60 : x
  2. Step 2: Convert to fraction form
    1,294,771.36/1,932,569.48 = 1,214,989.60/x
  3. Step 3: Cross multiply
    1,294,771.36x = 1,932,569.48 × 1,214,989.60
  4. Step 4: Simplify right side
    1,294,771.36x = 2,348,051,819,477.41
  5. Step 5: Solve for x
    x = 2,348,051,819,477.41/1,294,771.36
  6. Step 6: Final answer
    x = 1,813,487.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.