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Finding the Fourth Proportional to 1,038,620, 1,557,930 and 250,652

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Solution

The fourth proportional to 1,038,620, 1,557,930 and 250,652 is: 375,978

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,620 : 1,557,930 = 250,652 : x
  2. Step 2: Convert to fraction form
    1,038,620/1,557,930 = 250,652/x
  3. Step 3: Cross multiply
    1,038,620x = 1,557,930 × 250,652
  4. Step 4: Simplify right side
    1,038,620x = 390,498,270,360
  5. Step 5: Solve for x
    x = 390,498,270,360/1,038,620
  6. Step 6: Final answer
    x = 375,978

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.