Home / 984,860.80-1,477,291.20-843,143.20

Finding the Fourth Proportional to 984,860.80, 1,477,291.20 and 843,143.20

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Solution

The fourth proportional to 984,860.80, 1,477,291.20 and 843,143.20 is: 1,264,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,860.80 : 1,477,291.20 = 843,143.20 : x
  2. Step 2: Convert to fraction form
    984,860.80/1,477,291.20 = 843,143.20/x
  3. Step 3: Cross multiply
    984,860.80x = 1,477,291.20 × 843,143.20
  4. Step 4: Simplify right side
    984,860.80x = 1,245,568,029,699.84
  5. Step 5: Solve for x
    x = 1,245,568,029,699.84/984,860.80
  6. Step 6: Final answer
    x = 1,264,714.80

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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.