Home / 1,420,768.08-1,960,750.44-808,974.30

Finding the Fourth Proportional to 1,420,768.08, 1,960,750.44 and 808,974.30

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Solution

The fourth proportional to 1,420,768.08, 1,960,750.44 and 808,974.30 is: 1,116,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,768.08 : 1,960,750.44 = 808,974.30 : x
  2. Step 2: Convert to fraction form
    1,420,768.08/1,960,750.44 = 808,974.30/x
  3. Step 3: Cross multiply
    1,420,768.08x = 1,960,750.44 × 808,974.30
  4. Step 4: Simplify right side
    1,420,768.08x = 1,586,196,714,673.69
  5. Step 5: Solve for x
    x = 1,586,196,714,673.69/1,420,768.08
  6. Step 6: Final answer
    x = 1,116,436.06

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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.