Home / 1,387,883.20-2,080,269.60-589,028.80

Finding the Fourth Proportional to 1,387,883.20, 2,080,269.60 and 589,028.80

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Solution

The fourth proportional to 1,387,883.20, 2,080,269.60 and 589,028.80 is: 882,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,883.20 : 2,080,269.60 = 589,028.80 : x
  2. Step 2: Convert to fraction form
    1,387,883.20/2,080,269.60 = 589,028.80/x
  3. Step 3: Cross multiply
    1,387,883.20x = 2,080,269.60 × 589,028.80
  4. Step 4: Simplify right side
    1,387,883.20x = 1,225,338,706,164.48
  5. Step 5: Solve for x
    x = 1,225,338,706,164.48/1,387,883.20
  6. Step 6: Final answer
    x = 882,883.16

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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.