Home / 1,098,998.55-1,648,497.83-990,523.35

Finding the Fourth Proportional to 1,098,998.55, 1,648,497.83 and 990,523.35

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Solution

The fourth proportional to 1,098,998.55, 1,648,497.83 and 990,523.35 is: 1,485,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,998.55 : 1,648,497.83 = 990,523.35 : x
  2. Step 2: Convert to fraction form
    1,098,998.55/1,648,497.83 = 990,523.35/x
  3. Step 3: Cross multiply
    1,098,998.55x = 1,648,497.83 × 990,523.35
  4. Step 4: Simplify right side
    1,098,998.55x = 1,632,875,588,086.71
  5. Step 5: Solve for x
    x = 1,632,875,588,086.71/1,098,998.55
  6. Step 6: Final answer
    x = 1,485,785.03

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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.