Home / 1,308,765.22-1,806,205.08-728,097.74

Finding the Fourth Proportional to 1,308,765.22, 1,806,205.08 and 728,097.74

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Solution

The fourth proportional to 1,308,765.22, 1,806,205.08 and 728,097.74 is: 1,004,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,765.22 : 1,806,205.08 = 728,097.74 : x
  2. Step 2: Convert to fraction form
    1,308,765.22/1,806,205.08 = 728,097.74/x
  3. Step 3: Cross multiply
    1,308,765.22x = 1,806,205.08 × 728,097.74
  4. Step 4: Simplify right side
    1,308,765.22x = 1,315,093,827,693.49
  5. Step 5: Solve for x
    x = 1,315,093,827,693.49/1,308,765.22
  6. Step 6: Final answer
    x = 1,004,835.56

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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.