Home / 1,384,071.44-1,910,074.14-772,277.64

Finding the Fourth Proportional to 1,384,071.44, 1,910,074.14 and 772,277.64

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Solution

The fourth proportional to 1,384,071.44, 1,910,074.14 and 772,277.64 is: 1,065,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,071.44 : 1,910,074.14 = 772,277.64 : x
  2. Step 2: Convert to fraction form
    1,384,071.44/1,910,074.14 = 772,277.64/x
  3. Step 3: Cross multiply
    1,384,071.44x = 1,910,074.14 × 772,277.64
  4. Step 4: Simplify right side
    1,384,071.44x = 1,475,107,549,064.23
  5. Step 5: Solve for x
    x = 1,475,107,549,064.23/1,384,071.44
  6. Step 6: Final answer
    x = 1,065,774.14

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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.