Home / 1,405,423.98-1,939,484.96-785,229.29

Finding the Fourth Proportional to 1,405,423.98, 1,939,484.96 and 785,229.29

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Solution

The fourth proportional to 1,405,423.98, 1,939,484.96 and 785,229.29 is: 1,083,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,423.98 : 1,939,484.96 = 785,229.29 : x
  2. Step 2: Convert to fraction form
    1,405,423.98/1,939,484.96 = 785,229.29/x
  3. Step 3: Cross multiply
    1,405,423.98x = 1,939,484.96 × 785,229.29
  4. Step 4: Simplify right side
    1,405,423.98x = 1,522,940,394,700.59
  5. Step 5: Solve for x
    x = 1,522,940,394,700.59/1,405,423.98
  6. Step 6: Final answer
    x = 1,083,616.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.