Home / 1,217,745.93-1,680,516.80-788,772.71

Finding the Fourth Proportional to 1,217,745.93, 1,680,516.80 and 788,772.71

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Solution

The fourth proportional to 1,217,745.93, 1,680,516.80 and 788,772.71 is: 1,088,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,745.93 : 1,680,516.80 = 788,772.71 : x
  2. Step 2: Convert to fraction form
    1,217,745.93/1,680,516.80 = 788,772.71/x
  3. Step 3: Cross multiply
    1,217,745.93x = 1,680,516.80 × 788,772.71
  4. Step 4: Simplify right side
    1,217,745.93x = 1,325,545,790,536.53
  5. Step 5: Solve for x
    x = 1,325,545,790,536.53/1,217,745.93
  6. Step 6: Final answer
    x = 1,088,524.10

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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.