Home / 1,522,214.40-2,281,673.52-990,115.68

Finding the Fourth Proportional to 1,522,214.40, 2,281,673.52 and 990,115.68

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Solution

The fourth proportional to 1,522,214.40, 2,281,673.52 and 990,115.68 is: 1,484,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,214.40 : 2,281,673.52 = 990,115.68 : x
  2. Step 2: Convert to fraction form
    1,522,214.40/2,281,673.52 = 990,115.68/x
  3. Step 3: Cross multiply
    1,522,214.40x = 2,281,673.52 × 990,115.68
  4. Step 4: Simplify right side
    1,522,214.40x = 2,259,120,728,792.79
  5. Step 5: Solve for x
    x = 2,259,120,728,792.79/1,522,214.40
  6. Step 6: Final answer
    x = 1,484,101.54

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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.