Home / 1,500,855.84-2,071,160.46-821,792.34

Finding the Fourth Proportional to 1,500,855.84, 2,071,160.46 and 821,792.34

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Solution

The fourth proportional to 1,500,855.84, 2,071,160.46 and 821,792.34 is: 1,134,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,855.84 : 2,071,160.46 = 821,792.34 : x
  2. Step 2: Convert to fraction form
    1,500,855.84/2,071,160.46 = 821,792.34/x
  3. Step 3: Cross multiply
    1,500,855.84x = 2,071,160.46 × 821,792.34
  4. Step 4: Simplify right side
    1,500,855.84x = 1,702,063,800,938.88
  5. Step 5: Solve for x
    x = 1,702,063,800,938.88/1,500,855.84
  6. Step 6: Final answer
    x = 1,134,062.15

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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.