Home / 1,510,428.48-2,084,450.40-831,428.16

Finding the Fourth Proportional to 1,510,428.48, 2,084,450.40 and 831,428.16

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Solution

The fourth proportional to 1,510,428.48, 2,084,450.40 and 831,428.16 is: 1,147,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,428.48 : 2,084,450.40 = 831,428.16 : x
  2. Step 2: Convert to fraction form
    1,510,428.48/2,084,450.40 = 831,428.16/x
  3. Step 3: Cross multiply
    1,510,428.48x = 2,084,450.40 × 831,428.16
  4. Step 4: Simplify right side
    1,510,428.48x = 1,733,070,760,683.26
  5. Step 5: Solve for x
    x = 1,733,070,760,683.26/1,510,428.48
  6. Step 6: Final answer
    x = 1,147,403.39

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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.