Home / 1,243,818.14-1,865,720.94-485,736.58

Finding the Fourth Proportional to 1,243,818.14, 1,865,720.94 and 485,736.58

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Solution

The fourth proportional to 1,243,818.14, 1,865,720.94 and 485,736.58 is: 728,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,818.14 : 1,865,720.94 = 485,736.58 : x
  2. Step 2: Convert to fraction form
    1,243,818.14/1,865,720.94 = 485,736.58/x
  3. Step 3: Cross multiply
    1,243,818.14x = 1,865,720.94 × 485,736.58
  4. Step 4: Simplify right side
    1,243,818.14x = 906,248,908,629.99
  5. Step 5: Solve for x
    x = 906,248,908,629.99/1,243,818.14
  6. Step 6: Final answer
    x = 728,602.42

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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.