Home / 1,325,911.62-1,829,709.50-810,528.67

Finding the Fourth Proportional to 1,325,911.62, 1,829,709.50 and 810,528.67

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Solution

The fourth proportional to 1,325,911.62, 1,829,709.50 and 810,528.67 is: 1,118,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,911.62 : 1,829,709.50 = 810,528.67 : x
  2. Step 2: Convert to fraction form
    1,325,911.62/1,829,709.50 = 810,528.67/x
  3. Step 3: Cross multiply
    1,325,911.62x = 1,829,709.50 × 810,528.67
  4. Step 4: Simplify right side
    1,325,911.62x = 1,483,032,007,521.37
  5. Step 5: Solve for x
    x = 1,483,032,007,521.37/1,325,911.62
  6. Step 6: Final answer
    x = 1,118,499.89

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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.