Home / 1,375,530.80-2,063,587.80-415,907.60

Finding the Fourth Proportional to 1,375,530.80, 2,063,587.80 and 415,907.60

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Solution

The fourth proportional to 1,375,530.80, 2,063,587.80 and 415,907.60 is: 623,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,530.80 : 2,063,587.80 = 415,907.60 : x
  2. Step 2: Convert to fraction form
    1,375,530.80/2,063,587.80 = 415,907.60/x
  3. Step 3: Cross multiply
    1,375,530.80x = 2,063,587.80 × 415,907.60
  4. Step 4: Simplify right side
    1,375,530.80x = 858,261,849,287.28
  5. Step 5: Solve for x
    x = 858,261,849,287.28/1,375,530.80
  6. Step 6: Final answer
    x = 623,949.57

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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.