Home / 1,379,739.58-2,069,609.94-620,694.45

Finding the Fourth Proportional to 1,379,739.58, 2,069,609.94 and 620,694.45

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Solution

The fourth proportional to 1,379,739.58, 2,069,609.94 and 620,694.45 is: 931,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,739.58 : 2,069,609.94 = 620,694.45 : x
  2. Step 2: Convert to fraction form
    1,379,739.58/2,069,609.94 = 620,694.45/x
  3. Step 3: Cross multiply
    1,379,739.58x = 2,069,609.94 × 620,694.45
  4. Step 4: Simplify right side
    1,379,739.58x = 1,284,595,403,422.83
  5. Step 5: Solve for x
    x = 1,284,595,403,422.83/1,379,739.58
  6. Step 6: Final answer
    x = 931,041.93

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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.