Home / 1,334,623.60-2,002,129.80-436,106.80

Finding the Fourth Proportional to 1,334,623.60, 2,002,129.80 and 436,106.80

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Solution

The fourth proportional to 1,334,623.60, 2,002,129.80 and 436,106.80 is: 654,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,623.60 : 2,002,129.80 = 436,106.80 : x
  2. Step 2: Convert to fraction form
    1,334,623.60/2,002,129.80 = 436,106.80/x
  3. Step 3: Cross multiply
    1,334,623.60x = 2,002,129.80 × 436,106.80
  4. Step 4: Simplify right side
    1,334,623.60x = 873,142,420,262.64
  5. Step 5: Solve for x
    x = 873,142,420,262.64/1,334,623.60
  6. Step 6: Final answer
    x = 654,223.72

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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.