Home / 1,315,768.90-1,815,567.80-734,920.48

Finding the Fourth Proportional to 1,315,768.90, 1,815,567.80 and 734,920.48

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Solution

The fourth proportional to 1,315,768.90, 1,815,567.80 and 734,920.48 is: 1,014,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,768.90 : 1,815,567.80 = 734,920.48 : x
  2. Step 2: Convert to fraction form
    1,315,768.90/1,815,567.80 = 734,920.48/x
  3. Step 3: Cross multiply
    1,315,768.90x = 1,815,567.80 × 734,920.48
  4. Step 4: Simplify right side
    1,315,768.90x = 1,334,297,959,048.54
  5. Step 5: Solve for x
    x = 1,334,297,959,048.54/1,315,768.90
  6. Step 6: Final answer
    x = 1,014,082.31

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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.