Home / 1,379,131.74-2,069,292.56-526,459.32

Finding the Fourth Proportional to 1,379,131.74, 2,069,292.56 and 526,459.32

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Solution

The fourth proportional to 1,379,131.74, 2,069,292.56 and 526,459.32 is: 789,916.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,131.74 : 2,069,292.56 = 526,459.32 : x
  2. Step 2: Convert to fraction form
    1,379,131.74/2,069,292.56 = 526,459.32/x
  3. Step 3: Cross multiply
    1,379,131.74x = 2,069,292.56 × 526,459.32
  4. Step 4: Simplify right side
    1,379,131.74x = 1,089,398,351,386.36
  5. Step 5: Solve for x
    x = 1,089,398,351,386.36/1,379,131.74
  6. Step 6: Final answer
    x = 789,916.09

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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.