Home / 1,510,072.14-2,083,899.90-831,008.64

Finding the Fourth Proportional to 1,510,072.14, 2,083,899.90 and 831,008.64

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Solution

The fourth proportional to 1,510,072.14, 2,083,899.90 and 831,008.64 is: 1,146,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,072.14 : 2,083,899.90 = 831,008.64 : x
  2. Step 2: Convert to fraction form
    1,510,072.14/2,083,899.90 = 831,008.64/x
  3. Step 3: Cross multiply
    1,510,072.14x = 2,083,899.90 × 831,008.64
  4. Step 4: Simplify right side
    1,510,072.14x = 1,731,738,821,795.14
  5. Step 5: Solve for x
    x = 1,731,738,821,795.14/1,510,072.14
  6. Step 6: Final answer
    x = 1,146,792.11

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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.