Home / 1,313,518.86-1,969,665.90-682,263.18

Finding the Fourth Proportional to 1,313,518.86, 1,969,665.90 and 682,263.18

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Solution

The fourth proportional to 1,313,518.86, 1,969,665.90 and 682,263.18 is: 1,023,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,518.86 : 1,969,665.90 = 682,263.18 : x
  2. Step 2: Convert to fraction form
    1,313,518.86/1,969,665.90 = 682,263.18/x
  3. Step 3: Cross multiply
    1,313,518.86x = 1,969,665.90 × 682,263.18
  4. Step 4: Simplify right side
    1,313,518.86x = 1,343,830,520,471.56
  5. Step 5: Solve for x
    x = 1,343,830,520,471.56/1,313,518.86
  6. Step 6: Final answer
    x = 1,023,076.68

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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.