Home / 1,098,760.11-1,648,395.77-340,561.38

Finding the Fourth Proportional to 1,098,760.11, 1,648,395.77 and 340,561.38

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Solution

The fourth proportional to 1,098,760.11, 1,648,395.77 and 340,561.38 is: 510,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,760.11 : 1,648,395.77 = 340,561.38 : x
  2. Step 2: Convert to fraction form
    1,098,760.11/1,648,395.77 = 340,561.38/x
  3. Step 3: Cross multiply
    1,098,760.11x = 1,648,395.77 × 340,561.38
  4. Step 4: Simplify right side
    1,098,760.11x = 561,379,945,250.25
  5. Step 5: Solve for x
    x = 561,379,945,250.25/1,098,760.11
  6. Step 6: Final answer
    x = 510,921.30

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1.5x scale

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.