Home / 1,370,758.20-2,056,195.80-424,146.84

Finding the Fourth Proportional to 1,370,758.20, 2,056,195.80 and 424,146.84

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Solution

The fourth proportional to 1,370,758.20, 2,056,195.80 and 424,146.84 is: 636,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,758.20 : 2,056,195.80 = 424,146.84 : x
  2. Step 2: Convert to fraction form
    1,370,758.20/2,056,195.80 = 424,146.84/x
  3. Step 3: Cross multiply
    1,370,758.20x = 2,056,195.80 × 424,146.84
  4. Step 4: Simplify right side
    1,370,758.20x = 872,128,950,991.27
  5. Step 5: Solve for x
    x = 872,128,950,991.27/1,370,758.20
  6. Step 6: Final answer
    x = 636,238.36

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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.