Home / 1,339,269.64-1,848,205.56-727,434.40

Finding the Fourth Proportional to 1,339,269.64, 1,848,205.56 and 727,434.40

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Solution

The fourth proportional to 1,339,269.64, 1,848,205.56 and 727,434.40 is: 1,003,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,269.64 : 1,848,205.56 = 727,434.40 : x
  2. Step 2: Convert to fraction form
    1,339,269.64/1,848,205.56 = 727,434.40/x
  3. Step 3: Cross multiply
    1,339,269.64x = 1,848,205.56 × 727,434.40
  4. Step 4: Simplify right side
    1,339,269.64x = 1,344,448,302,615.26
  5. Step 5: Solve for x
    x = 1,344,448,302,615.26/1,339,269.64
  6. Step 6: Final answer
    x = 1,003,866.78

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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.