Home / 1,293,501.76-1,772,105.45-1,245,017.79

Finding the Fourth Proportional to 1,293,501.76, 1,772,105.45 and 1,245,017.79

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Solution

The fourth proportional to 1,293,501.76, 1,772,105.45 and 1,245,017.79 is: 1,705,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,501.76 : 1,772,105.45 = 1,245,017.79 : x
  2. Step 2: Convert to fraction form
    1,293,501.76/1,772,105.45 = 1,245,017.79/x
  3. Step 3: Cross multiply
    1,293,501.76x = 1,772,105.45 × 1,245,017.79
  4. Step 4: Simplify right side
    1,293,501.76x = 2,206,302,804,780.87
  5. Step 5: Solve for x
    x = 2,206,302,804,780.87/1,293,501.76
  6. Step 6: Final answer
    x = 1,705,682.11

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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.