Home / 1,012,414.80-1,518,638.40-264,460.80

Finding the Fourth Proportional to 1,012,414.80, 1,518,638.40 and 264,460.80

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Solution

The fourth proportional to 1,012,414.80, 1,518,638.40 and 264,460.80 is: 396,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,414.80 : 1,518,638.40 = 264,460.80 : x
  2. Step 2: Convert to fraction form
    1,012,414.80/1,518,638.40 = 264,460.80/x
  3. Step 3: Cross multiply
    1,012,414.80x = 1,518,638.40 × 264,460.80
  4. Step 4: Simplify right side
    1,012,414.80x = 401,620,326,174.72
  5. Step 5: Solve for x
    x = 401,620,326,174.72/1,012,414.80
  6. Step 6: Final answer
    x = 396,695.43

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1.5x scale

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.