Home / 1,362,880.09-1,880,777.20-819,024.22

Finding the Fourth Proportional to 1,362,880.09, 1,880,777.20 and 819,024.22

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Solution

The fourth proportional to 1,362,880.09, 1,880,777.20 and 819,024.22 is: 1,130,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,880.09 : 1,880,777.20 = 819,024.22 : x
  2. Step 2: Convert to fraction form
    1,362,880.09/1,880,777.20 = 819,024.22/x
  3. Step 3: Cross multiply
    1,362,880.09x = 1,880,777.20 × 819,024.22
  4. Step 4: Simplify right side
    1,362,880.09x = 1,540,402,075,128.66
  5. Step 5: Solve for x
    x = 1,540,402,075,128.66/1,362,880.09
  6. Step 6: Final answer
    x = 1,130,255.03

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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.