Home / 1,521,088.73-2,099,103.06-832,805.21

Finding the Fourth Proportional to 1,521,088.73, 2,099,103.06 and 832,805.21

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Solution

The fourth proportional to 1,521,088.73, 2,099,103.06 and 832,805.21 is: 1,149,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,088.73 : 2,099,103.06 = 832,805.21 : x
  2. Step 2: Convert to fraction form
    1,521,088.73/2,099,103.06 = 832,805.21/x
  3. Step 3: Cross multiply
    1,521,088.73x = 2,099,103.06 × 832,805.21
  4. Step 4: Simplify right side
    1,521,088.73x = 1,748,143,964,694.94
  5. Step 5: Solve for x
    x = 1,748,143,964,694.94/1,521,088.73
  6. Step 6: Final answer
    x = 1,149,271.53

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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.