Home / 1,328,891.42-1,993,337.15-759,873.38

Finding the Fourth Proportional to 1,328,891.42, 1,993,337.15 and 759,873.38

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Solution

The fourth proportional to 1,328,891.42, 1,993,337.15 and 759,873.38 is: 1,139,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,891.42 : 1,993,337.15 = 759,873.38 : x
  2. Step 2: Convert to fraction form
    1,328,891.42/1,993,337.15 = 759,873.38/x
  3. Step 3: Cross multiply
    1,328,891.42x = 1,993,337.15 × 759,873.38
  4. Step 4: Simplify right side
    1,328,891.42x = 1,514,683,823,884.01
  5. Step 5: Solve for x
    x = 1,514,683,823,884.01/1,328,891.42
  6. Step 6: Final answer
    x = 1,139,810.08

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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.