Home / 1,309,193.02-1,806,473.45-728,401.22

Finding the Fourth Proportional to 1,309,193.02, 1,806,473.45 and 728,401.22

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Solution

The fourth proportional to 1,309,193.02, 1,806,473.45 and 728,401.22 is: 1,005,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,193.02 : 1,806,473.45 = 728,401.22 : x
  2. Step 2: Convert to fraction form
    1,309,193.02/1,806,473.45 = 728,401.22/x
  3. Step 3: Cross multiply
    1,309,193.02x = 1,806,473.45 × 728,401.22
  4. Step 4: Simplify right side
    1,309,193.02x = 1,315,837,469,111.62
  5. Step 5: Solve for x
    x = 1,315,837,469,111.62/1,309,193.02
  6. Step 6: Final answer
    x = 1,005,075.23

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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.