Home / 1,360,509.60-2,040,688.80-413,805.90

Finding the Fourth Proportional to 1,360,509.60, 2,040,688.80 and 413,805.90

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Solution

The fourth proportional to 1,360,509.60, 2,040,688.80 and 413,805.90 is: 620,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,509.60 : 2,040,688.80 = 413,805.90 : x
  2. Step 2: Convert to fraction form
    1,360,509.60/2,040,688.80 = 413,805.90/x
  3. Step 3: Cross multiply
    1,360,509.60x = 2,040,688.80 × 413,805.90
  4. Step 4: Simplify right side
    1,360,509.60x = 844,449,065,503.92
  5. Step 5: Solve for x
    x = 844,449,065,503.92/1,360,509.60
  6. Step 6: Final answer
    x = 620,685.86

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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.