Home / 1,422,136.04-1,962,534.24-777,549.38

Finding the Fourth Proportional to 1,422,136.04, 1,962,534.24 and 777,549.38

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Solution

The fourth proportional to 1,422,136.04, 1,962,534.24 and 777,549.38 is: 1,073,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,136.04 : 1,962,534.24 = 777,549.38 : x
  2. Step 2: Convert to fraction form
    1,422,136.04/1,962,534.24 = 777,549.38/x
  3. Step 3: Cross multiply
    1,422,136.04x = 1,962,534.24 × 777,549.38
  4. Step 4: Simplify right side
    1,422,136.04x = 1,525,967,271,728.10
  5. Step 5: Solve for x
    x = 1,525,967,271,728.10/1,422,136.04
  6. Step 6: Final answer
    x = 1,073,010.76

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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.