Home / 1,207,311.84-1,811,022.75-853,903.58

Finding the Fourth Proportional to 1,207,311.84, 1,811,022.75 and 853,903.58

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Solution

The fourth proportional to 1,207,311.84, 1,811,022.75 and 853,903.58 is: 1,280,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,311.84 : 1,811,022.75 = 853,903.58 : x
  2. Step 2: Convert to fraction form
    1,207,311.84/1,811,022.75 = 853,903.58/x
  3. Step 3: Cross multiply
    1,207,311.84x = 1,811,022.75 × 853,903.58
  4. Step 4: Simplify right side
    1,207,311.84x = 1,546,438,800,631.33
  5. Step 5: Solve for x
    x = 1,546,438,800,631.33/1,207,311.84
  6. Step 6: Final answer
    x = 1,280,894.26

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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.