Home / 1,106,805.80-1,660,986.30-476,172.20

Finding the Fourth Proportional to 1,106,805.80, 1,660,986.30 and 476,172.20

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Solution

The fourth proportional to 1,106,805.80, 1,660,986.30 and 476,172.20 is: 714,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,805.80 : 1,660,986.30 = 476,172.20 : x
  2. Step 2: Convert to fraction form
    1,106,805.80/1,660,986.30 = 476,172.20/x
  3. Step 3: Cross multiply
    1,106,805.80x = 1,660,986.30 × 476,172.20
  4. Step 4: Simplify right side
    1,106,805.80x = 790,915,500,640.86
  5. Step 5: Solve for x
    x = 790,915,500,640.86/1,106,805.80
  6. Step 6: Final answer
    x = 714,592.84

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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.