Home / 1,146,021.76-1,580,235.20-783,504.64

Finding the Fourth Proportional to 1,146,021.76, 1,580,235.20 and 783,504.64

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Solution

The fourth proportional to 1,146,021.76, 1,580,235.20 and 783,504.64 is: 1,080,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,021.76 : 1,580,235.20 = 783,504.64 : x
  2. Step 2: Convert to fraction form
    1,146,021.76/1,580,235.20 = 783,504.64/x
  3. Step 3: Cross multiply
    1,146,021.76x = 1,580,235.20 × 783,504.64
  4. Step 4: Simplify right side
    1,146,021.76x = 1,238,121,611,491.33
  5. Step 5: Solve for x
    x = 1,238,121,611,491.33/1,146,021.76
  6. Step 6: Final answer
    x = 1,080,364.84

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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.