Home / 1,384,473.42-1,910,669.23-772,745.52

Finding the Fourth Proportional to 1,384,473.42, 1,910,669.23 and 772,745.52

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Solution

The fourth proportional to 1,384,473.42, 1,910,669.23 and 772,745.52 is: 1,066,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,473.42 : 1,910,669.23 = 772,745.52 : x
  2. Step 2: Convert to fraction form
    1,384,473.42/1,910,669.23 = 772,745.52/x
  3. Step 3: Cross multiply
    1,384,473.42x = 1,910,669.23 × 772,745.52
  4. Step 4: Simplify right side
    1,384,473.42x = 1,476,461,091,468.60
  5. Step 5: Solve for x
    x = 1,476,461,091,468.60/1,384,473.42
  6. Step 6: Final answer
    x = 1,066,442.35

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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.