Home / 1,370,109.42-2,055,360.90-423,553.92

Finding the Fourth Proportional to 1,370,109.42, 2,055,360.90 and 423,553.92

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Solution

The fourth proportional to 1,370,109.42, 2,055,360.90 and 423,553.92 is: 635,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,109.42 : 2,055,360.90 = 423,553.92 : x
  2. Step 2: Convert to fraction form
    1,370,109.42/2,055,360.90 = 423,553.92/x
  3. Step 3: Cross multiply
    1,370,109.42x = 2,055,360.90 × 423,553.92
  4. Step 4: Simplify right side
    1,370,109.42x = 870,556,166,209.73
  5. Step 5: Solve for x
    x = 870,556,166,209.73/1,370,109.42
  6. Step 6: Final answer
    x = 635,391.71

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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.