Home / 1,151,500.32-1,589,712.84-808,389.12

Finding the Fourth Proportional to 1,151,500.32, 1,589,712.84 and 808,389.12

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Solution

The fourth proportional to 1,151,500.32, 1,589,712.84 and 808,389.12 is: 1,116,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,500.32 : 1,589,712.84 = 808,389.12 : x
  2. Step 2: Convert to fraction form
    1,151,500.32/1,589,712.84 = 808,389.12/x
  3. Step 3: Cross multiply
    1,151,500.32x = 1,589,712.84 × 808,389.12
  4. Step 4: Simplify right side
    1,151,500.32x = 1,285,106,563,780.30
  5. Step 5: Solve for x
    x = 1,285,106,563,780.30/1,151,500.32
  6. Step 6: Final answer
    x = 1,116,027.97

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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.