Home / 1,104,218.42-1,523,812.26-620,785.72

Finding the Fourth Proportional to 1,104,218.42, 1,523,812.26 and 620,785.72

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Solution

The fourth proportional to 1,104,218.42, 1,523,812.26 and 620,785.72 is: 856,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,218.42 : 1,523,812.26 = 620,785.72 : x
  2. Step 2: Convert to fraction form
    1,104,218.42/1,523,812.26 = 620,785.72/x
  3. Step 3: Cross multiply
    1,104,218.42x = 1,523,812.26 × 620,785.72
  4. Step 4: Simplify right side
    1,104,218.42x = 945,960,890,968.93
  5. Step 5: Solve for x
    x = 945,960,890,968.93/1,104,218.42
  6. Step 6: Final answer
    x = 856,679.14

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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.