Home / 1,151,506.32-1,589,721.12-808,395.12

Finding the Fourth Proportional to 1,151,506.32, 1,589,721.12 and 808,395.12

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Solution

The fourth proportional to 1,151,506.32, 1,589,721.12 and 808,395.12 is: 1,116,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,506.32 : 1,589,721.12 = 808,395.12 : x
  2. Step 2: Convert to fraction form
    1,151,506.32/1,589,721.12 = 808,395.12/x
  3. Step 3: Cross multiply
    1,151,506.32x = 1,589,721.12 × 808,395.12
  4. Step 4: Simplify right side
    1,151,506.32x = 1,285,122,795,568.93
  5. Step 5: Solve for x
    x = 1,285,122,795,568.93/1,151,506.32
  6. Step 6: Final answer
    x = 1,116,036.25

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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.