Home / 1,288,368.60-1,932,552.90-658,512.60

Finding the Fourth Proportional to 1,288,368.60, 1,932,552.90 and 658,512.60

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Solution

The fourth proportional to 1,288,368.60, 1,932,552.90 and 658,512.60 is: 987,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,368.60 : 1,932,552.90 = 658,512.60 : x
  2. Step 2: Convert to fraction form
    1,288,368.60/1,932,552.90 = 658,512.60/x
  3. Step 3: Cross multiply
    1,288,368.60x = 1,932,552.90 × 658,512.60
  4. Step 4: Simplify right side
    1,288,368.60x = 1,272,610,434,816.54
  5. Step 5: Solve for x
    x = 1,272,610,434,816.54/1,288,368.60
  6. Step 6: Final answer
    x = 987,768.90

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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.