Home / 1,345,230.12-2,017,852.44-398,609.04

Finding the Fourth Proportional to 1,345,230.12, 2,017,852.44 and 398,609.04

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Solution

The fourth proportional to 1,345,230.12, 2,017,852.44 and 398,609.04 is: 597,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,230.12 : 2,017,852.44 = 398,609.04 : x
  2. Step 2: Convert to fraction form
    1,345,230.12/2,017,852.44 = 398,609.04/x
  3. Step 3: Cross multiply
    1,345,230.12x = 2,017,852.44 × 398,609.04
  4. Step 4: Simplify right side
    1,345,230.12x = 804,334,223,970.06
  5. Step 5: Solve for x
    x = 804,334,223,970.06/1,345,230.12
  6. Step 6: Final answer
    x = 597,915.71

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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.