Home / 1,198,762.90-1,798,264.62-345,855.67

Finding the Fourth Proportional to 1,198,762.90, 1,798,264.62 and 345,855.67

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Solution

The fourth proportional to 1,198,762.90, 1,798,264.62 and 345,855.67 is: 518,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,762.90 : 1,798,264.62 = 345,855.67 : x
  2. Step 2: Convert to fraction form
    1,198,762.90/1,798,264.62 = 345,855.67/x
  3. Step 3: Cross multiply
    1,198,762.90x = 1,798,264.62 × 345,855.67
  4. Step 4: Simplify right side
    1,198,762.90x = 621,940,004,266.79
  5. Step 5: Solve for x
    x = 621,940,004,266.79/1,198,762.90
  6. Step 6: Final answer
    x = 518,818.20

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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.