Home / 1,447,743.76-2,171,561.03-436,838.75

Finding the Fourth Proportional to 1,447,743.76, 2,171,561.03 and 436,838.75

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Solution

The fourth proportional to 1,447,743.76, 2,171,561.03 and 436,838.75 is: 655,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,743.76 : 2,171,561.03 = 436,838.75 : x
  2. Step 2: Convert to fraction form
    1,447,743.76/2,171,561.03 = 436,838.75/x
  3. Step 3: Cross multiply
    1,447,743.76x = 2,171,561.03 × 436,838.75
  4. Step 4: Simplify right side
    1,447,743.76x = 948,621,992,851.91
  5. Step 5: Solve for x
    x = 948,621,992,851.91/1,447,743.76
  6. Step 6: Final answer
    x = 655,241.64

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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.