Home / 1,145,871.25-1,580,601.67-680,409.61

Finding the Fourth Proportional to 1,145,871.25, 1,580,601.67 and 680,409.61

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Solution

The fourth proportional to 1,145,871.25, 1,580,601.67 and 680,409.61 is: 938,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,871.25 : 1,580,601.67 = 680,409.61 : x
  2. Step 2: Convert to fraction form
    1,145,871.25/1,580,601.67 = 680,409.61/x
  3. Step 3: Cross multiply
    1,145,871.25x = 1,580,601.67 × 680,409.61
  4. Step 4: Simplify right side
    1,145,871.25x = 1,075,456,560,197.52
  5. Step 5: Solve for x
    x = 1,075,456,560,197.52/1,145,871.25
  6. Step 6: Final answer
    x = 938,549.22

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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.