Home / 1,400,121.66-2,101,303.53-726,396.06

Finding the Fourth Proportional to 1,400,121.66, 2,101,303.53 and 726,396.06

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Solution

The fourth proportional to 1,400,121.66, 2,101,303.53 and 726,396.06 is: 1,090,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,121.66 : 2,101,303.53 = 726,396.06 : x
  2. Step 2: Convert to fraction form
    1,400,121.66/2,101,303.53 = 726,396.06/x
  3. Step 3: Cross multiply
    1,400,121.66x = 2,101,303.53 × 726,396.06
  4. Step 4: Simplify right side
    1,400,121.66x = 1,526,378,605,056.09
  5. Step 5: Solve for x
    x = 1,526,378,605,056.09/1,400,121.66
  6. Step 6: Final answer
    x = 1,090,175.70

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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.