Home / 1,169,297.76-1,612,535.82-776,135.40

Finding the Fourth Proportional to 1,169,297.76, 1,612,535.82 and 776,135.40

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Solution

The fourth proportional to 1,169,297.76, 1,612,535.82 and 776,135.40 is: 1,070,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,297.76 : 1,612,535.82 = 776,135.40 : x
  2. Step 2: Convert to fraction form
    1,169,297.76/1,612,535.82 = 776,135.40/x
  3. Step 3: Cross multiply
    1,169,297.76x = 1,612,535.82 × 776,135.40
  4. Step 4: Simplify right side
    1,169,297.76x = 1,251,546,133,670.03
  5. Step 5: Solve for x
    x = 1,251,546,133,670.03/1,169,297.76
  6. Step 6: Final answer
    x = 1,070,339.97

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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.