Home / 1,359,013.80-2,038,521.06-399,469.44

Finding the Fourth Proportional to 1,359,013.80, 2,038,521.06 and 399,469.44

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Solution

The fourth proportional to 1,359,013.80, 2,038,521.06 and 399,469.44 is: 599,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,013.80 : 2,038,521.06 = 399,469.44 : x
  2. Step 2: Convert to fraction form
    1,359,013.80/2,038,521.06 = 399,469.44/x
  3. Step 3: Cross multiply
    1,359,013.80x = 2,038,521.06 × 399,469.44
  4. Step 4: Simplify right side
    1,359,013.80x = 814,326,866,266.41
  5. Step 5: Solve for x
    x = 814,326,866,266.41/1,359,013.80
  6. Step 6: Final answer
    x = 599,204.27

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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.