Home / 1,038,654.86-1,557,826.34-328,590.62

Finding the Fourth Proportional to 1,038,654.86, 1,557,826.34 and 328,590.62

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Solution

The fourth proportional to 1,038,654.86, 1,557,826.34 and 328,590.62 is: 492,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,654.86 : 1,557,826.34 = 328,590.62 : x
  2. Step 2: Convert to fraction form
    1,038,654.86/1,557,826.34 = 328,590.62/x
  3. Step 3: Cross multiply
    1,038,654.86x = 1,557,826.34 × 328,590.62
  4. Step 4: Simplify right side
    1,038,654.86x = 511,887,122,912.93
  5. Step 5: Solve for x
    x = 511,887,122,912.93/1,038,654.86
  6. Step 6: Final answer
    x = 492,836.59

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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.