Home / 1,485,783.96-2,050,390.06-806,720.48

Finding the Fourth Proportional to 1,485,783.96, 2,050,390.06 and 806,720.48

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Solution

The fourth proportional to 1,485,783.96, 2,050,390.06 and 806,720.48 is: 1,113,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,783.96 : 2,050,390.06 = 806,720.48 : x
  2. Step 2: Convert to fraction form
    1,485,783.96/2,050,390.06 = 806,720.48/x
  3. Step 3: Cross multiply
    1,485,783.96x = 2,050,390.06 × 806,720.48
  4. Step 4: Simplify right side
    1,485,783.96x = 1,654,091,653,390.43
  5. Step 5: Solve for x
    x = 1,654,091,653,390.43/1,485,783.96
  6. Step 6: Final answer
    x = 1,113,278.71

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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.