Home / 1,258,651.80-1,887,977.70-360,147.15

Finding the Fourth Proportional to 1,258,651.80, 1,887,977.70 and 360,147.15

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Solution

The fourth proportional to 1,258,651.80, 1,887,977.70 and 360,147.15 is: 540,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,651.80 : 1,887,977.70 = 360,147.15 : x
  2. Step 2: Convert to fraction form
    1,258,651.80/1,887,977.70 = 360,147.15/x
  3. Step 3: Cross multiply
    1,258,651.80x = 1,887,977.70 × 360,147.15
  4. Step 4: Simplify right side
    1,258,651.80x = 679,949,787,918.56
  5. Step 5: Solve for x
    x = 679,949,787,918.56/1,258,651.80
  6. Step 6: Final answer
    x = 540,220.73

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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.