Home / 1,303,379.42-1,798,150.44-813,063.60

Finding the Fourth Proportional to 1,303,379.42, 1,798,150.44 and 813,063.60

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Solution

The fourth proportional to 1,303,379.42, 1,798,150.44 and 813,063.60 is: 1,121,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,379.42 : 1,798,150.44 = 813,063.60 : x
  2. Step 2: Convert to fraction form
    1,303,379.42/1,798,150.44 = 813,063.60/x
  3. Step 3: Cross multiply
    1,303,379.42x = 1,798,150.44 × 813,063.60
  4. Step 4: Simplify right side
    1,303,379.42x = 1,462,010,670,087.98
  5. Step 5: Solve for x
    x = 1,462,010,670,087.98/1,303,379.42
  6. Step 6: Final answer
    x = 1,121,707.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.