Home / 1,489,105.04-2,054,963.40-810,039.92

Finding the Fourth Proportional to 1,489,105.04, 2,054,963.40 and 810,039.92

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Solution

The fourth proportional to 1,489,105.04, 2,054,963.40 and 810,039.92 is: 1,117,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,105.04 : 2,054,963.40 = 810,039.92 : x
  2. Step 2: Convert to fraction form
    1,489,105.04/2,054,963.40 = 810,039.92/x
  3. Step 3: Cross multiply
    1,489,105.04x = 2,054,963.40 × 810,039.92
  4. Step 4: Simplify right side
    1,489,105.04x = 1,664,602,388,138.93
  5. Step 5: Solve for x
    x = 1,664,602,388,138.93/1,489,105.04
  6. Step 6: Final answer
    x = 1,117,854.24

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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.