Home / 1,282,380.85-1,771,191.32-1,025,148.64

Finding the Fourth Proportional to 1,282,380.85, 1,771,191.32 and 1,025,148.64

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Solution

The fourth proportional to 1,282,380.85, 1,771,191.32 and 1,025,148.64 is: 1,415,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,380.85 : 1,771,191.32 = 1,025,148.64 : x
  2. Step 2: Convert to fraction form
    1,282,380.85/1,771,191.32 = 1,025,148.64/x
  3. Step 3: Cross multiply
    1,282,380.85x = 1,771,191.32 × 1,025,148.64
  4. Step 4: Simplify right side
    1,282,380.85x = 1,815,734,372,877.81
  5. Step 5: Solve for x
    x = 1,815,734,372,877.81/1,282,380.85
  6. Step 6: Final answer
    x = 1,415,908.83

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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.