Home / 1,510,670.75-2,084,725.64-831,607.25

Finding the Fourth Proportional to 1,510,670.75, 2,084,725.64 and 831,607.25

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Solution

The fourth proportional to 1,510,670.75, 2,084,725.64 and 831,607.25 is: 1,147,618.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,670.75 : 2,084,725.64 = 831,607.25 : x
  2. Step 2: Convert to fraction form
    1,510,670.75/2,084,725.64 = 831,607.25/x
  3. Step 3: Cross multiply
    1,510,670.75x = 2,084,725.64 × 831,607.25
  4. Step 4: Simplify right side
    1,510,670.75x = 1,733,672,952,326.85
  5. Step 5: Solve for x
    x = 1,733,672,952,326.85/1,510,670.75
  6. Step 6: Final answer
    x = 1,147,618.01

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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.