Home / 1,231,953.39-1,845,352.34-990,763.54

Finding the Fourth Proportional to 1,231,953.39, 1,845,352.34 and 990,763.54

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Solution

The fourth proportional to 1,231,953.39, 1,845,352.34 and 990,763.54 is: 1,484,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,953.39 : 1,845,352.34 = 990,763.54 : x
  2. Step 2: Convert to fraction form
    1,231,953.39/1,845,352.34 = 990,763.54/x
  3. Step 3: Cross multiply
    1,231,953.39x = 1,845,352.34 × 990,763.54
  4. Step 4: Simplify right side
    1,231,953.39x = 1,828,307,816,925.68
  5. Step 5: Solve for x
    x = 1,828,307,816,925.68/1,231,953.39
  6. Step 6: Final answer
    x = 1,484,072.23

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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.