Home / 1,038,576.90-1,557,719.55-328,676.70

Finding the Fourth Proportional to 1,038,576.90, 1,557,719.55 and 328,676.70

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Solution

The fourth proportional to 1,038,576.90, 1,557,719.55 and 328,676.70 is: 492,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,576.90 : 1,557,719.55 = 328,676.70 : x
  2. Step 2: Convert to fraction form
    1,038,576.90/1,557,719.55 = 328,676.70/x
  3. Step 3: Cross multiply
    1,038,576.90x = 1,557,719.55 × 328,676.70
  4. Step 4: Simplify right side
    1,038,576.90x = 511,986,121,219.49
  5. Step 5: Solve for x
    x = 511,986,121,219.49/1,038,576.90
  6. Step 6: Final answer
    x = 492,968.91

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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.