Home / 1,296,615.40-1,944,923.10-455,252.20

Finding the Fourth Proportional to 1,296,615.40, 1,944,923.10 and 455,252.20

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Solution

The fourth proportional to 1,296,615.40, 1,944,923.10 and 455,252.20 is: 682,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,615.40 : 1,944,923.10 = 455,252.20 : x
  2. Step 2: Convert to fraction form
    1,296,615.40/1,944,923.10 = 455,252.20/x
  3. Step 3: Cross multiply
    1,296,615.40x = 1,944,923.10 × 455,252.20
  4. Step 4: Simplify right side
    1,296,615.40x = 885,430,520,105.82
  5. Step 5: Solve for x
    x = 885,430,520,105.82/1,296,615.40
  6. Step 6: Final answer
    x = 682,878.30

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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.