Home / 1,029,853.80-1,545,072.30-319,953.60

Finding the Fourth Proportional to 1,029,853.80, 1,545,072.30 and 319,953.60

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Solution

The fourth proportional to 1,029,853.80, 1,545,072.30 and 319,953.60 is: 480,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,853.80 : 1,545,072.30 = 319,953.60 : x
  2. Step 2: Convert to fraction form
    1,029,853.80/1,545,072.30 = 319,953.60/x
  3. Step 3: Cross multiply
    1,029,853.80x = 1,545,072.30 × 319,953.60
  4. Step 4: Simplify right side
    1,029,853.80x = 494,351,444,645.28
  5. Step 5: Solve for x
    x = 494,351,444,645.28/1,029,853.80
  6. Step 6: Final answer
    x = 480,020.99

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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.