Home / 1,258,425.39-1,886,891.46-499,858.98

Finding the Fourth Proportional to 1,258,425.39, 1,886,891.46 and 499,858.98

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Solution

The fourth proportional to 1,258,425.39, 1,886,891.46 and 499,858.98 is: 749,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,425.39 : 1,886,891.46 = 499,858.98 : x
  2. Step 2: Convert to fraction form
    1,258,425.39/1,886,891.46 = 499,858.98/x
  3. Step 3: Cross multiply
    1,258,425.39x = 1,886,891.46 × 499,858.98
  4. Step 4: Simplify right side
    1,258,425.39x = 943,179,640,566.31
  5. Step 5: Solve for x
    x = 943,179,640,566.31/1,258,425.39
  6. Step 6: Final answer
    x = 749,491.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.