Home / 1,293,502.76-1,772,106.82-1,245,018.79

Finding the Fourth Proportional to 1,293,502.76, 1,772,106.82 and 1,245,018.79

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Solution

The fourth proportional to 1,293,502.76, 1,772,106.82 and 1,245,018.79 is: 1,705,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,502.76 : 1,772,106.82 = 1,245,018.79 : x
  2. Step 2: Convert to fraction form
    1,293,502.76/1,772,106.82 = 1,245,018.79/x
  3. Step 3: Cross multiply
    1,293,502.76x = 1,772,106.82 × 1,245,018.79
  4. Step 4: Simplify right side
    1,293,502.76x = 2,206,306,288,787.15
  5. Step 5: Solve for x
    x = 2,206,306,288,787.15/1,293,502.76
  6. Step 6: Final answer
    x = 1,705,683.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.