Home / 1,410,992.88-1,947,184.84-766,425.68

Finding the Fourth Proportional to 1,410,992.88, 1,947,184.84 and 766,425.68

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Solution

The fourth proportional to 1,410,992.88, 1,947,184.84 and 766,425.68 is: 1,057,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,992.88 : 1,947,184.84 = 766,425.68 : x
  2. Step 2: Convert to fraction form
    1,410,992.88/1,947,184.84 = 766,425.68/x
  3. Step 3: Cross multiply
    1,410,992.88x = 1,947,184.84 × 766,425.68
  4. Step 4: Simplify right side
    1,410,992.88x = 1,492,372,465,082.69
  5. Step 5: Solve for x
    x = 1,492,372,465,082.69/1,410,992.88
  6. Step 6: Final answer
    x = 1,057,675.40

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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.