Home / 1,294,909.64-1,787,105.94-751,211.72

Finding the Fourth Proportional to 1,294,909.64, 1,787,105.94 and 751,211.72

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Solution

The fourth proportional to 1,294,909.64, 1,787,105.94 and 751,211.72 is: 1,036,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,909.64 : 1,787,105.94 = 751,211.72 : x
  2. Step 2: Convert to fraction form
    1,294,909.64/1,787,105.94 = 751,211.72/x
  3. Step 3: Cross multiply
    1,294,909.64x = 1,787,105.94 × 751,211.72
  4. Step 4: Simplify right side
    1,294,909.64x = 1,342,494,927,009.62
  5. Step 5: Solve for x
    x = 1,342,494,927,009.62/1,294,909.64
  6. Step 6: Final answer
    x = 1,036,747.96

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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.