Home / 1,313,519.86-1,969,667.40-682,264.18

Finding the Fourth Proportional to 1,313,519.86, 1,969,667.40 and 682,264.18

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Solution

The fourth proportional to 1,313,519.86, 1,969,667.40 and 682,264.18 is: 1,023,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,519.86 : 1,969,667.40 = 682,264.18 : x
  2. Step 2: Convert to fraction form
    1,313,519.86/1,969,667.40 = 682,264.18/x
  3. Step 3: Cross multiply
    1,313,519.86x = 1,969,667.40 × 682,264.18
  4. Step 4: Simplify right side
    1,313,519.86x = 1,343,833,513,533.73
  5. Step 5: Solve for x
    x = 1,343,833,513,533.73/1,313,519.86
  6. Step 6: Final answer
    x = 1,023,078.18

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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.