Home / 1,443,406.67-1,992,399.09-831,803.16

Finding the Fourth Proportional to 1,443,406.67, 1,992,399.09 and 831,803.16

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Solution

The fourth proportional to 1,443,406.67, 1,992,399.09 and 831,803.16 is: 1,148,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,406.67 : 1,992,399.09 = 831,803.16 : x
  2. Step 2: Convert to fraction form
    1,443,406.67/1,992,399.09 = 831,803.16/x
  3. Step 3: Cross multiply
    1,443,406.67x = 1,992,399.09 × 831,803.16
  4. Step 4: Simplify right side
    1,443,406.67x = 1,657,283,859,043.12
  5. Step 5: Solve for x
    x = 1,657,283,859,043.12/1,443,406.67
  6. Step 6: Final answer
    x = 1,148,175.29

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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.