Home / 1,800,280.75-2,701,750.34-853,654.81

Finding the Fourth Proportional to 1,800,280.75, 2,701,750.34 and 853,654.81

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Solution

The fourth proportional to 1,800,280.75, 2,701,750.34 and 853,654.81 is: 1,281,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,280.75 : 2,701,750.34 = 853,654.81 : x
  2. Step 2: Convert to fraction form
    1,800,280.75/2,701,750.34 = 853,654.81/x
  3. Step 3: Cross multiply
    1,800,280.75x = 2,701,750.34 × 853,654.81
  4. Step 4: Simplify right side
    1,800,280.75x = 2,306,362,173,160.14
  5. Step 5: Solve for x
    x = 2,306,362,173,160.14/1,800,280.75
  6. Step 6: Final answer
    x = 1,281,112.50

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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.