Home / 1,510,079.90-2,083,910.62-831,016.40

Finding the Fourth Proportional to 1,510,079.90, 2,083,910.62 and 831,016.40

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Solution

The fourth proportional to 1,510,079.90, 2,083,910.62 and 831,016.40 is: 1,146,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,079.90 : 2,083,910.62 = 831,016.40 : x
  2. Step 2: Convert to fraction form
    1,510,079.90/2,083,910.62 = 831,016.40/x
  3. Step 3: Cross multiply
    1,510,079.90x = 2,083,910.62 × 831,016.40
  4. Step 4: Simplify right side
    1,510,079.90x = 1,731,763,901,354.17
  5. Step 5: Solve for x
    x = 1,731,763,901,354.17/1,510,079.90
  6. Step 6: Final answer
    x = 1,146,802.83

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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.