Home / 1,500,540.11-2,070,942.49-855,812.51

Finding the Fourth Proportional to 1,500,540.11, 2,070,942.49 and 855,812.51

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Solution

The fourth proportional to 1,500,540.11, 2,070,942.49 and 855,812.51 is: 1,181,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,540.11 : 2,070,942.49 = 855,812.51 : x
  2. Step 2: Convert to fraction form
    1,500,540.11/2,070,942.49 = 855,812.51/x
  3. Step 3: Cross multiply
    1,500,540.11x = 2,070,942.49 × 855,812.51
  4. Step 4: Simplify right side
    1,500,540.11x = 1,772,338,486,153.49
  5. Step 5: Solve for x
    x = 1,772,338,486,153.49/1,500,540.11
  6. Step 6: Final answer
    x = 1,181,133.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.