Home / 1,384,355.70-2,072,386.35-823,101.30

Finding the Fourth Proportional to 1,384,355.70, 2,072,386.35 and 823,101.30

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Solution

The fourth proportional to 1,384,355.70, 2,072,386.35 and 823,101.30 is: 1,232,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,355.70 : 2,072,386.35 = 823,101.30 : x
  2. Step 2: Convert to fraction form
    1,384,355.70/2,072,386.35 = 823,101.30/x
  3. Step 3: Cross multiply
    1,384,355.70x = 2,072,386.35 × 823,101.30
  4. Step 4: Simplify right side
    1,384,355.70x = 1,705,783,898,787.26
  5. Step 5: Solve for x
    x = 1,705,783,898,787.26/1,384,355.70
  6. Step 6: Final answer
    x = 1,232,186.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.