Home / 1,370,193.66-2,055,487.42-423,638.18

Finding the Fourth Proportional to 1,370,193.66, 2,055,487.42 and 423,638.18

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Solution

The fourth proportional to 1,370,193.66, 2,055,487.42 and 423,638.18 is: 635,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,193.66 : 2,055,487.42 = 423,638.18 : x
  2. Step 2: Convert to fraction form
    1,370,193.66/2,055,487.42 = 423,638.18/x
  3. Step 3: Cross multiply
    1,370,193.66x = 2,055,487.42 × 423,638.18
  4. Step 4: Simplify right side
    1,370,193.66x = 870,782,949,621.70
  5. Step 5: Solve for x
    x = 870,782,949,621.70/1,370,193.66
  6. Step 6: Final answer
    x = 635,518.16

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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.