Home / 1,520,109.28-2,097,241.44-875,516.56

Finding the Fourth Proportional to 1,520,109.28, 2,097,241.44 and 875,516.56

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Solution

The fourth proportional to 1,520,109.28, 2,097,241.44 and 875,516.56 is: 1,207,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,109.28 : 2,097,241.44 = 875,516.56 : x
  2. Step 2: Convert to fraction form
    1,520,109.28/2,097,241.44 = 875,516.56/x
  3. Step 3: Cross multiply
    1,520,109.28x = 2,097,241.44 × 875,516.56
  4. Step 4: Simplify right side
    1,520,109.28x = 1,836,169,611,038.25
  5. Step 5: Solve for x
    x = 1,836,169,611,038.25/1,520,109.28
  6. Step 6: Final answer
    x = 1,207,919.48

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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.