Home / 1,510,082.89-2,083,914.67-831,019.39

Finding the Fourth Proportional to 1,510,082.89, 2,083,914.67 and 831,019.39

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Solution

The fourth proportional to 1,510,082.89, 2,083,914.67 and 831,019.39 is: 1,146,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,082.89 : 2,083,914.67 = 831,019.39 : x
  2. Step 2: Convert to fraction form
    1,510,082.89/2,083,914.67 = 831,019.39/x
  3. Step 3: Cross multiply
    1,510,082.89x = 2,083,914.67 × 831,019.39
  4. Step 4: Simplify right side
    1,510,082.89x = 1,731,773,497,875.45
  5. Step 5: Solve for x
    x = 1,731,773,497,875.45/1,510,082.89
  6. Step 6: Final answer
    x = 1,146,806.91

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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.