Home / 1,359,938.10-2,039,907.15-413,185.80

Finding the Fourth Proportional to 1,359,938.10, 2,039,907.15 and 413,185.80

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Solution

The fourth proportional to 1,359,938.10, 2,039,907.15 and 413,185.80 is: 619,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,938.10 : 2,039,907.15 = 413,185.80 : x
  2. Step 2: Convert to fraction form
    1,359,938.10/2,039,907.15 = 413,185.80/x
  3. Step 3: Cross multiply
    1,359,938.10x = 2,039,907.15 × 413,185.80
  4. Step 4: Simplify right side
    1,359,938.10x = 842,860,667,698.47
  5. Step 5: Solve for x
    x = 842,860,667,698.47/1,359,938.10
  6. Step 6: Final answer
    x = 619,778.70

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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.