Home / 1,443,593.09-1,992,656.48-831,990.17

Finding the Fourth Proportional to 1,443,593.09, 1,992,656.48 and 831,990.17

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Solution

The fourth proportional to 1,443,593.09, 1,992,656.48 and 831,990.17 is: 1,148,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,593.09 : 1,992,656.48 = 831,990.17 : x
  2. Step 2: Convert to fraction form
    1,443,593.09/1,992,656.48 = 831,990.17/x
  3. Step 3: Cross multiply
    1,443,593.09x = 1,992,656.48 × 831,990.17
  4. Step 4: Simplify right side
    1,443,593.09x = 1,657,870,589,423.57
  5. Step 5: Solve for x
    x = 1,657,870,589,423.57/1,443,593.09
  6. Step 6: Final answer
    x = 1,148,433.45

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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.