Home / 1,305,671.57-1,801,364.86-853,225.01

Finding the Fourth Proportional to 1,305,671.57, 1,801,364.86 and 853,225.01

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Solution

The fourth proportional to 1,305,671.57, 1,801,364.86 and 853,225.01 is: 1,177,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,671.57 : 1,801,364.86 = 853,225.01 : x
  2. Step 2: Convert to fraction form
    1,305,671.57/1,801,364.86 = 853,225.01/x
  3. Step 3: Cross multiply
    1,305,671.57x = 1,801,364.86 × 853,225.01
  4. Step 4: Simplify right side
    1,305,671.57x = 1,536,969,546,421.02
  5. Step 5: Solve for x
    x = 1,536,969,546,421.02/1,305,671.57
  6. Step 6: Final answer
    x = 1,177,148.67

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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.