Home / 1,307,429.39-1,804,466.69-1,089,292.13

Finding the Fourth Proportional to 1,307,429.39, 1,804,466.69 and 1,089,292.13

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Solution

The fourth proportional to 1,307,429.39, 1,804,466.69 and 1,089,292.13 is: 1,503,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,429.39 : 1,804,466.69 = 1,089,292.13 : x
  2. Step 2: Convert to fraction form
    1,307,429.39/1,804,466.69 = 1,089,292.13/x
  3. Step 3: Cross multiply
    1,307,429.39x = 1,804,466.69 × 1,089,292.13
  4. Step 4: Simplify right side
    1,307,429.39x = 1,965,591,358,635.52
  5. Step 5: Solve for x
    x = 1,965,591,358,635.52/1,307,429.39
  6. Step 6: Final answer
    x = 1,503,401.54

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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.