Home / 1,230,552.80-1,842,718.80-981,720.80

Finding the Fourth Proportional to 1,230,552.80, 1,842,718.80 and 981,720.80

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Solution

The fourth proportional to 1,230,552.80, 1,842,718.80 and 981,720.80 is: 1,470,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,552.80 : 1,842,718.80 = 981,720.80 : x
  2. Step 2: Convert to fraction form
    1,230,552.80/1,842,718.80 = 981,720.80/x
  3. Step 3: Cross multiply
    1,230,552.80x = 1,842,718.80 × 981,720.80
  4. Step 4: Simplify right side
    1,230,552.80x = 1,809,035,374,511.04
  5. Step 5: Solve for x
    x = 1,809,035,374,511.04/1,230,552.80
  6. Step 6: Final answer
    x = 1,470,099.76

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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.