Home / 1,388,796.87-2,083,361.76-490,053

Finding the Fourth Proportional to 1,388,796.87, 2,083,361.76 and 490,053

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Solution

The fourth proportional to 1,388,796.87, 2,083,361.76 and 490,053 is: 735,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,796.87 : 2,083,361.76 = 490,053 : x
  2. Step 2: Convert to fraction form
    1,388,796.87/2,083,361.76 = 490,053/x
  3. Step 3: Cross multiply
    1,388,796.87x = 2,083,361.76 × 490,053
  4. Step 4: Simplify right side
    1,388,796.87x = 1,020,957,680,573.28
  5. Step 5: Solve for x
    x = 1,020,957,680,573.28/1,388,796.87
  6. Step 6: Final answer
    x = 735,138.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.