Home / 1,401,796.31-2,102,664.27-390,891.32

Finding the Fourth Proportional to 1,401,796.31, 2,102,664.27 and 390,891.32

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Solution

The fourth proportional to 1,401,796.31, 2,102,664.27 and 390,891.32 is: 586,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,796.31 : 2,102,664.27 = 390,891.32 : x
  2. Step 2: Convert to fraction form
    1,401,796.31/2,102,664.27 = 390,891.32/x
  3. Step 3: Cross multiply
    1,401,796.31x = 2,102,664.27 × 390,891.32
  4. Step 4: Simplify right side
    1,401,796.31x = 821,913,210,062.68
  5. Step 5: Solve for x
    x = 821,913,210,062.68/1,401,796.31
  6. Step 6: Final answer
    x = 586,328.56

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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.