Home / 1,379,427.03-2,066,450.13-778,570.65

Finding the Fourth Proportional to 1,379,427.03, 2,066,450.13 and 778,570.65

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Solution

The fourth proportional to 1,379,427.03, 2,066,450.13 and 778,570.65 is: 1,166,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,427.03 : 2,066,450.13 = 778,570.65 : x
  2. Step 2: Convert to fraction form
    1,379,427.03/2,066,450.13 = 778,570.65/x
  3. Step 3: Cross multiply
    1,379,427.03x = 2,066,450.13 × 778,570.65
  4. Step 4: Simplify right side
    1,379,427.03x = 1,608,877,420,906.68
  5. Step 5: Solve for x
    x = 1,608,877,420,906.68/1,379,427.03
  6. Step 6: Final answer
    x = 1,166,337.46

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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.