Home / 1,210,929.48-1,670,996.32-720,873

Finding the Fourth Proportional to 1,210,929.48, 1,670,996.32 and 720,873

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Solution

The fourth proportional to 1,210,929.48, 1,670,996.32 and 720,873 is: 994,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,929.48 : 1,670,996.32 = 720,873 : x
  2. Step 2: Convert to fraction form
    1,210,929.48/1,670,996.32 = 720,873/x
  3. Step 3: Cross multiply
    1,210,929.48x = 1,670,996.32 × 720,873
  4. Step 4: Simplify right side
    1,210,929.48x = 1,204,576,130,187.36
  5. Step 5: Solve for x
    x = 1,204,576,130,187.36/1,210,929.48
  6. Step 6: Final answer
    x = 994,753.33

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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.