Home / 1,330,486.90-1,835,550.93-820,303.54

Finding the Fourth Proportional to 1,330,486.90, 1,835,550.93 and 820,303.54

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Solution

The fourth proportional to 1,330,486.90, 1,835,550.93 and 820,303.54 is: 1,131,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,486.90 : 1,835,550.93 = 820,303.54 : x
  2. Step 2: Convert to fraction form
    1,330,486.90/1,835,550.93 = 820,303.54/x
  3. Step 3: Cross multiply
    1,330,486.90x = 1,835,550.93 × 820,303.54
  4. Step 4: Simplify right side
    1,330,486.90x = 1,505,708,925,729.29
  5. Step 5: Solve for x
    x = 1,505,708,925,729.29/1,330,486.90
  6. Step 6: Final answer
    x = 1,131,697.67

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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.