Home / 1,488,682.80-2,233,024.20-858,826.80

Finding the Fourth Proportional to 1,488,682.80, 2,233,024.20 and 858,826.80

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Solution

The fourth proportional to 1,488,682.80, 2,233,024.20 and 858,826.80 is: 1,288,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,682.80 : 2,233,024.20 = 858,826.80 : x
  2. Step 2: Convert to fraction form
    1,488,682.80/2,233,024.20 = 858,826.80/x
  3. Step 3: Cross multiply
    1,488,682.80x = 2,233,024.20 × 858,826.80
  4. Step 4: Simplify right side
    1,488,682.80x = 1,917,781,028,008.56
  5. Step 5: Solve for x
    x = 1,917,781,028,008.56/1,488,682.80
  6. Step 6: Final answer
    x = 1,288,240.20

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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.