Home / 1,314,014.80-1,970,561.40-682,718.80

Finding the Fourth Proportional to 1,314,014.80, 1,970,561.40 and 682,718.80

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Solution

The fourth proportional to 1,314,014.80, 1,970,561.40 and 682,718.80 is: 1,023,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,014.80 : 1,970,561.40 = 682,718.80 : x
  2. Step 2: Convert to fraction form
    1,314,014.80/1,970,561.40 = 682,718.80/x
  3. Step 3: Cross multiply
    1,314,014.80x = 1,970,561.40 × 682,718.80
  4. Step 4: Simplify right side
    1,314,014.80x = 1,345,339,314,334.32
  5. Step 5: Solve for x
    x = 1,345,339,314,334.32/1,314,014.80
  6. Step 6: Final answer
    x = 1,023,838.78

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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.