Home / 1,447,748.88-2,171,623.36-784,196.88

Finding the Fourth Proportional to 1,447,748.88, 2,171,623.36 and 784,196.88

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Solution

The fourth proportional to 1,447,748.88, 2,171,623.36 and 784,196.88 is: 1,176,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,748.88 : 2,171,623.36 = 784,196.88 : x
  2. Step 2: Convert to fraction form
    1,447,748.88/2,171,623.36 = 784,196.88/x
  3. Step 3: Cross multiply
    1,447,748.88x = 2,171,623.36 × 784,196.88
  4. Step 4: Simplify right side
    1,447,748.88x = 1,702,980,263,447.12
  5. Step 5: Solve for x
    x = 1,702,980,263,447.12/1,447,748.88
  6. Step 6: Final answer
    x = 1,176,295.34

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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.