Home / 1,520,119.28-2,097,255.24-875,526.56

Finding the Fourth Proportional to 1,520,119.28, 2,097,255.24 and 875,526.56

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Solution

The fourth proportional to 1,520,119.28, 2,097,255.24 and 875,526.56 is: 1,207,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,119.28 : 2,097,255.24 = 875,526.56 : x
  2. Step 2: Convert to fraction form
    1,520,119.28/2,097,255.24 = 875,526.56/x
  3. Step 3: Cross multiply
    1,520,119.28x = 2,097,255.24 × 875,526.56
  4. Step 4: Simplify right side
    1,520,119.28x = 1,836,202,665,719.17
  5. Step 5: Solve for x
    x = 1,836,202,665,719.17/1,520,119.28
  6. Step 6: Final answer
    x = 1,207,933.28

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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.