Home / 1,362,407.06-1,880,120.48-789,779.18

Finding the Fourth Proportional to 1,362,407.06, 1,880,120.48 and 789,779.18

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Solution

The fourth proportional to 1,362,407.06, 1,880,120.48 and 789,779.18 is: 1,089,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,407.06 : 1,880,120.48 = 789,779.18 : x
  2. Step 2: Convert to fraction form
    1,362,407.06/1,880,120.48 = 789,779.18/x
  3. Step 3: Cross multiply
    1,362,407.06x = 1,880,120.48 × 789,779.18
  4. Step 4: Simplify right side
    1,362,407.06x = 1,484,880,010,995.61
  5. Step 5: Solve for x
    x = 1,484,880,010,995.61/1,362,407.06
  6. Step 6: Final answer
    x = 1,089,894.54

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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.