Home / 1,036,745.20-1,555,012.68-278,488.17

Finding the Fourth Proportional to 1,036,745.20, 1,555,012.68 and 278,488.17

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Solution

The fourth proportional to 1,036,745.20, 1,555,012.68 and 278,488.17 is: 417,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,745.20 : 1,555,012.68 = 278,488.17 : x
  2. Step 2: Convert to fraction form
    1,036,745.20/1,555,012.68 = 278,488.17/x
  3. Step 3: Cross multiply
    1,036,745.20x = 1,555,012.68 × 278,488.17
  4. Step 4: Simplify right side
    1,036,745.20x = 433,052,635,580.00
  5. Step 5: Solve for x
    x = 433,052,635,580.00/1,036,745.20
  6. Step 6: Final answer
    x = 417,704.02

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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.