Home / 1,449,855.86-2,175,177.47-439,011.72

Finding the Fourth Proportional to 1,449,855.86, 2,175,177.47 and 439,011.72

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Solution

The fourth proportional to 1,449,855.86, 2,175,177.47 and 439,011.72 is: 658,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,855.86 : 2,175,177.47 = 439,011.72 : x
  2. Step 2: Convert to fraction form
    1,449,855.86/2,175,177.47 = 439,011.72/x
  3. Step 3: Cross multiply
    1,449,855.86x = 2,175,177.47 × 439,011.72
  4. Step 4: Simplify right side
    1,449,855.86x = 954,928,400,214.89
  5. Step 5: Solve for x
    x = 954,928,400,214.89/1,449,855.86
  6. Step 6: Final answer
    x = 658,636.79

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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.