Home / 1,188,081.90-1,782,122.85-548,384.40

Finding the Fourth Proportional to 1,188,081.90, 1,782,122.85 and 548,384.40

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Solution

The fourth proportional to 1,188,081.90, 1,782,122.85 and 548,384.40 is: 822,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,081.90 : 1,782,122.85 = 548,384.40 : x
  2. Step 2: Convert to fraction form
    1,188,081.90/1,782,122.85 = 548,384.40/x
  3. Step 3: Cross multiply
    1,188,081.90x = 1,782,122.85 × 548,384.40
  4. Step 4: Simplify right side
    1,188,081.90x = 977,288,369,823.54
  5. Step 5: Solve for x
    x = 977,288,369,823.54/1,188,081.90
  6. Step 6: Final answer
    x = 822,576.60

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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.