Home / 1,425,251.08-1,966,847.34-780,682.06

Finding the Fourth Proportional to 1,425,251.08, 1,966,847.34 and 780,682.06

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Solution

The fourth proportional to 1,425,251.08, 1,966,847.34 and 780,682.06 is: 1,077,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,251.08 : 1,966,847.34 = 780,682.06 : x
  2. Step 2: Convert to fraction form
    1,425,251.08/1,966,847.34 = 780,682.06/x
  3. Step 3: Cross multiply
    1,425,251.08x = 1,966,847.34 × 780,682.06
  4. Step 4: Simplify right side
    1,425,251.08x = 1,535,482,433,096.72
  5. Step 5: Solve for x
    x = 1,535,482,433,096.72/1,425,251.08
  6. Step 6: Final answer
    x = 1,077,341.71

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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.