Home / 1,028,796.04-1,420,111.20-837,477.28

Finding the Fourth Proportional to 1,028,796.04, 1,420,111.20 and 837,477.28

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Solution

The fourth proportional to 1,028,796.04, 1,420,111.20 and 837,477.28 is: 1,156,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,796.04 : 1,420,111.20 = 837,477.28 : x
  2. Step 2: Convert to fraction form
    1,028,796.04/1,420,111.20 = 837,477.28/x
  3. Step 3: Cross multiply
    1,028,796.04x = 1,420,111.20 × 837,477.28
  4. Step 4: Simplify right side
    1,028,796.04x = 1,189,310,865,073.54
  5. Step 5: Solve for x
    x = 1,189,310,865,073.54/1,028,796.04
  6. Step 6: Final answer
    x = 1,156,022.01

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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.