Home / 1,396,495.08-2,095,661.16-765,851.76

Finding the Fourth Proportional to 1,396,495.08, 2,095,661.16 and 765,851.76

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Solution

The fourth proportional to 1,396,495.08, 2,095,661.16 and 765,851.76 is: 1,149,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,495.08 : 2,095,661.16 = 765,851.76 : x
  2. Step 2: Convert to fraction form
    1,396,495.08/2,095,661.16 = 765,851.76/x
  3. Step 3: Cross multiply
    1,396,495.08x = 2,095,661.16 × 765,851.76
  4. Step 4: Simplify right side
    1,396,495.08x = 1,604,965,787,749.64
  5. Step 5: Solve for x
    x = 1,604,965,787,749.64/1,396,495.08
  6. Step 6: Final answer
    x = 1,149,281.38

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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.