Home / 1,477,327.80-2,212,881.30-1,228,495.80

Finding the Fourth Proportional to 1,477,327.80, 2,212,881.30 and 1,228,495.80

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Solution

The fourth proportional to 1,477,327.80, 2,212,881.30 and 1,228,495.80 is: 1,840,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,327.80 : 2,212,881.30 = 1,228,495.80 : x
  2. Step 2: Convert to fraction form
    1,477,327.80/2,212,881.30 = 1,228,495.80/x
  3. Step 3: Cross multiply
    1,477,327.80x = 2,212,881.30 × 1,228,495.80
  4. Step 4: Simplify right side
    1,477,327.80x = 2,718,515,382,948.54
  5. Step 5: Solve for x
    x = 2,718,515,382,948.54/1,477,327.80
  6. Step 6: Final answer
    x = 1,840,157.20

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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.