Home / 1,038,621.98-1,557,777.03-328,557.75

Finding the Fourth Proportional to 1,038,621.98, 1,557,777.03 and 328,557.75

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Solution

The fourth proportional to 1,038,621.98, 1,557,777.03 and 328,557.75 is: 492,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,621.98 : 1,557,777.03 = 328,557.75 : x
  2. Step 2: Convert to fraction form
    1,038,621.98/1,557,777.03 = 328,557.75/x
  3. Step 3: Cross multiply
    1,038,621.98x = 1,557,777.03 × 328,557.75
  4. Step 4: Simplify right side
    1,038,621.98x = 511,819,715,978.48
  5. Step 5: Solve for x
    x = 511,819,715,978.48/1,038,621.98
  6. Step 6: Final answer
    x = 492,787.30

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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.