Home / 1,207,012.66-1,808,127.83-826,999.54

Finding the Fourth Proportional to 1,207,012.66, 1,808,127.83 and 826,999.54

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Solution

The fourth proportional to 1,207,012.66, 1,808,127.83 and 826,999.54 is: 1,238,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,012.66 : 1,808,127.83 = 826,999.54 : x
  2. Step 2: Convert to fraction form
    1,207,012.66/1,808,127.83 = 826,999.54/x
  3. Step 3: Cross multiply
    1,207,012.66x = 1,808,127.83 × 826,999.54
  4. Step 4: Simplify right side
    1,207,012.66x = 1,495,320,881,218.38
  5. Step 5: Solve for x
    x = 1,495,320,881,218.38/1,207,012.66
  6. Step 6: Final answer
    x = 1,238,860.98

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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.