Home / 1,018,294.51-1,528,776.69-682,836.22

Finding the Fourth Proportional to 1,018,294.51, 1,528,776.69 and 682,836.22

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Solution

The fourth proportional to 1,018,294.51, 1,528,776.69 and 682,836.22 is: 1,025,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,294.51 : 1,528,776.69 = 682,836.22 : x
  2. Step 2: Convert to fraction form
    1,018,294.51/1,528,776.69 = 682,836.22/x
  3. Step 3: Cross multiply
    1,018,294.51x = 1,528,776.69 × 682,836.22
  4. Step 4: Simplify right side
    1,018,294.51x = 1,043,904,085,165.65
  5. Step 5: Solve for x
    x = 1,043,904,085,165.65/1,018,294.51
  6. Step 6: Final answer
    x = 1,025,149.48

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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.