Home / 1,293,503.92-1,772,108.82-1,245,020.40

Finding the Fourth Proportional to 1,293,503.92, 1,772,108.82 and 1,245,020.40

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Solution

The fourth proportional to 1,293,503.92, 1,772,108.82 and 1,245,020.40 is: 1,705,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,503.92 : 1,772,108.82 = 1,245,020.40 : x
  2. Step 2: Convert to fraction form
    1,293,503.92/1,772,108.82 = 1,245,020.40/x
  3. Step 3: Cross multiply
    1,293,503.92x = 1,772,108.82 × 1,245,020.40
  4. Step 4: Simplify right side
    1,293,503.92x = 2,206,311,631,919.93
  5. Step 5: Solve for x
    x = 2,206,311,631,919.93/1,293,503.92
  6. Step 6: Final answer
    x = 1,705,686.08

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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.