Home / 1,399,411.98-2,099,140.65-439,837.38

Finding the Fourth Proportional to 1,399,411.98, 2,099,140.65 and 439,837.38

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Solution

The fourth proportional to 1,399,411.98, 2,099,140.65 and 439,837.38 is: 659,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,411.98 : 2,099,140.65 = 439,837.38 : x
  2. Step 2: Convert to fraction form
    1,399,411.98/2,099,140.65 = 439,837.38/x
  3. Step 3: Cross multiply
    1,399,411.98x = 2,099,140.65 × 439,837.38
  4. Step 4: Simplify right side
    1,399,411.98x = 923,280,523,747.50
  5. Step 5: Solve for x
    x = 923,280,523,747.50/1,399,411.98
  6. Step 6: Final answer
    x = 659,763.20

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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.