Home / 1,370,255.70-2,055,383.55-423,722.10

Finding the Fourth Proportional to 1,370,255.70, 2,055,383.55 and 423,722.10

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Solution

The fourth proportional to 1,370,255.70, 2,055,383.55 and 423,722.10 is: 635,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,255.70 : 2,055,383.55 = 423,722.10 : x
  2. Step 2: Convert to fraction form
    1,370,255.70/2,055,383.55 = 423,722.10/x
  3. Step 3: Cross multiply
    1,370,255.70x = 2,055,383.55 × 423,722.10
  4. Step 4: Simplify right side
    1,370,255.70x = 870,911,434,111.46
  5. Step 5: Solve for x
    x = 870,911,434,111.46/1,370,255.70
  6. Step 6: Final answer
    x = 635,583.15

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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.