Home / 1,321,151.42-1,981,220.06-562,511.90

Finding the Fourth Proportional to 1,321,151.42, 1,981,220.06 and 562,511.90

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Solution

The fourth proportional to 1,321,151.42, 1,981,220.06 and 562,511.90 is: 843,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,151.42 : 1,981,220.06 = 562,511.90 : x
  2. Step 2: Convert to fraction form
    1,321,151.42/1,981,220.06 = 562,511.90/x
  3. Step 3: Cross multiply
    1,321,151.42x = 1,981,220.06 × 562,511.90
  4. Step 4: Simplify right side
    1,321,151.42x = 1,114,459,860,268.71
  5. Step 5: Solve for x
    x = 1,114,459,860,268.71/1,321,151.42
  6. Step 6: Final answer
    x = 843,551.95

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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.