Home / 829,399.39-1,241,712.51-742,854.33

Finding the Fourth Proportional to 829,399.39, 1,241,712.51 and 742,854.33

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Solution

The fourth proportional to 829,399.39, 1,241,712.51 and 742,854.33 is: 1,112,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,399.39 : 1,241,712.51 = 742,854.33 : x
  2. Step 2: Convert to fraction form
    829,399.39/1,241,712.51 = 742,854.33/x
  3. Step 3: Cross multiply
    829,399.39x = 1,241,712.51 × 742,854.33
  4. Step 4: Simplify right side
    829,399.39x = 922,411,514,668.67
  5. Step 5: Solve for x
    x = 922,411,514,668.67/829,399.39
  6. Step 6: Final answer
    x = 1,112,143.96

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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.