Home / 1,504,114.71-2,255,930.28-438,907.20

Finding the Fourth Proportional to 1,504,114.71, 2,255,930.28 and 438,907.20

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Solution

The fourth proportional to 1,504,114.71, 2,255,930.28 and 438,907.20 is: 658,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,114.71 : 2,255,930.28 = 438,907.20 : x
  2. Step 2: Convert to fraction form
    1,504,114.71/2,255,930.28 = 438,907.20/x
  3. Step 3: Cross multiply
    1,504,114.71x = 2,255,930.28 × 438,907.20
  4. Step 4: Simplify right side
    1,504,114.71x = 990,144,042,590.02
  5. Step 5: Solve for x
    x = 990,144,042,590.02/1,504,114.71
  6. Step 6: Final answer
    x = 658,290.25

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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.