Home / 1,385,925.44-2,078,962.67-439,369.97

Finding the Fourth Proportional to 1,385,925.44, 2,078,962.67 and 439,369.97

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Solution

The fourth proportional to 1,385,925.44, 2,078,962.67 and 439,369.97 is: 659,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,925.44 : 2,078,962.67 = 439,369.97 : x
  2. Step 2: Convert to fraction form
    1,385,925.44/2,078,962.67 = 439,369.97/x
  3. Step 3: Cross multiply
    1,385,925.44x = 2,078,962.67 × 439,369.97
  4. Step 4: Simplify right side
    1,385,925.44x = 913,433,756,652.63
  5. Step 5: Solve for x
    x = 913,433,756,652.63/1,385,925.44
  6. Step 6: Final answer
    x = 659,078.57

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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.