Home / 1,401,796.55-2,102,664.64-390,891.57

Finding the Fourth Proportional to 1,401,796.55, 2,102,664.64 and 390,891.57

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Solution

The fourth proportional to 1,401,796.55, 2,102,664.64 and 390,891.57 is: 586,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,796.55 : 2,102,664.64 = 390,891.57 : x
  2. Step 2: Convert to fraction form
    1,401,796.55/2,102,664.64 = 390,891.57/x
  3. Step 3: Cross multiply
    1,401,796.55x = 2,102,664.64 × 390,891.57
  4. Step 4: Simplify right side
    1,401,796.55x = 821,913,882,313.09
  5. Step 5: Solve for x
    x = 821,913,882,313.09/1,401,796.55
  6. Step 6: Final answer
    x = 586,328.94

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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.