Home / 1,362,205.42-1,879,843.34-789,577.74

Finding the Fourth Proportional to 1,362,205.42, 1,879,843.34 and 789,577.74

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Solution

The fourth proportional to 1,362,205.42, 1,879,843.34 and 789,577.74 is: 1,089,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,205.42 : 1,879,843.34 = 789,577.74 : x
  2. Step 2: Convert to fraction form
    1,362,205.42/1,879,843.34 = 789,577.74/x
  3. Step 3: Cross multiply
    1,362,205.42x = 1,879,843.34 × 789,577.74
  4. Step 4: Simplify right side
    1,362,205.42x = 1,484,282,457,925.20
  5. Step 5: Solve for x
    x = 1,484,282,457,925.20/1,362,205.42
  6. Step 6: Final answer
    x = 1,089,617.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.