Home / 832,845.51-1,249,765.97-765,086.78

Finding the Fourth Proportional to 832,845.51, 1,249,765.97 and 765,086.78

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Solution

The fourth proportional to 832,845.51, 1,249,765.97 and 765,086.78 is: 1,148,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,845.51 : 1,249,765.97 = 765,086.78 : x
  2. Step 2: Convert to fraction form
    832,845.51/1,249,765.97 = 765,086.78/x
  3. Step 3: Cross multiply
    832,845.51x = 1,249,765.97 × 765,086.78
  4. Step 4: Simplify right side
    832,845.51x = 956,179,421,039.86
  5. Step 5: Solve for x
    x = 956,179,421,039.86/832,845.51
  6. Step 6: Final answer
    x = 1,148,087.38

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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.