Home / 1,255,658.45-1,732,867.88-711,804.78

Finding the Fourth Proportional to 1,255,658.45, 1,732,867.88 and 711,804.78

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Solution

The fourth proportional to 1,255,658.45, 1,732,867.88 and 711,804.78 is: 982,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,658.45 : 1,732,867.88 = 711,804.78 : x
  2. Step 2: Convert to fraction form
    1,255,658.45/1,732,867.88 = 711,804.78/x
  3. Step 3: Cross multiply
    1,255,658.45x = 1,732,867.88 × 711,804.78
  4. Step 4: Simplify right side
    1,255,658.45x = 1,233,463,636,533.44
  5. Step 5: Solve for x
    x = 1,233,463,636,533.44/1,255,658.45
  6. Step 6: Final answer
    x = 982,324.17

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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.