Home / 1,426,829.73-1,969,024.50-782,236.14

Finding the Fourth Proportional to 1,426,829.73, 1,969,024.50 and 782,236.14

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Solution

The fourth proportional to 1,426,829.73, 1,969,024.50 and 782,236.14 is: 1,079,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,829.73 : 1,969,024.50 = 782,236.14 : x
  2. Step 2: Convert to fraction form
    1,426,829.73/1,969,024.50 = 782,236.14/x
  3. Step 3: Cross multiply
    1,426,829.73x = 1,969,024.50 × 782,236.14
  4. Step 4: Simplify right side
    1,426,829.73x = 1,540,242,124,445.43
  5. Step 5: Solve for x
    x = 1,540,242,124,445.43/1,426,829.73
  6. Step 6: Final answer
    x = 1,079,485.58

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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.