Home / 1,379,980.33-2,069,851.91-840,096.48

Finding the Fourth Proportional to 1,379,980.33, 2,069,851.91 and 840,096.48

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Solution

The fourth proportional to 1,379,980.33, 2,069,851.91 and 840,096.48 is: 1,260,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,980.33 : 2,069,851.91 = 840,096.48 : x
  2. Step 2: Convert to fraction form
    1,379,980.33/2,069,851.91 = 840,096.48/x
  3. Step 3: Cross multiply
    1,379,980.33x = 2,069,851.91 × 840,096.48
  4. Step 4: Simplify right side
    1,379,980.33x = 1,738,875,303,712.28
  5. Step 5: Solve for x
    x = 1,738,875,303,712.28/1,379,980.33
  6. Step 6: Final answer
    x = 1,260,072.53

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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.