Home / 776,782.62-1,071,669.87-775,585.11

Finding the Fourth Proportional to 776,782.62, 1,071,669.87 and 775,585.11

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Solution

The fourth proportional to 776,782.62, 1,071,669.87 and 775,585.11 is: 1,070,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,782.62 : 1,071,669.87 = 775,585.11 : x
  2. Step 2: Convert to fraction form
    776,782.62/1,071,669.87 = 775,585.11/x
  3. Step 3: Cross multiply
    776,782.62x = 1,071,669.87 × 775,585.11
  4. Step 4: Simplify right side
    776,782.62x = 831,171,194,007.64
  5. Step 5: Solve for x
    x = 831,171,194,007.64/776,782.62
  6. Step 6: Final answer
    x = 1,070,017.75

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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.