Home / 1,672,312.89-2,305,595.76-1,206,776.07

Finding the Fourth Proportional to 1,672,312.89, 2,305,595.76 and 1,206,776.07

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Solution

The fourth proportional to 1,672,312.89, 2,305,595.76 and 1,206,776.07 is: 1,663,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,312.89 : 2,305,595.76 = 1,206,776.07 : x
  2. Step 2: Convert to fraction form
    1,672,312.89/2,305,595.76 = 1,206,776.07/x
  3. Step 3: Cross multiply
    1,672,312.89x = 2,305,595.76 × 1,206,776.07
  4. Step 4: Simplify right side
    1,672,312.89x = 2,782,337,790,261.46
  5. Step 5: Solve for x
    x = 2,782,337,790,261.46/1,672,312.89
  6. Step 6: Final answer
    x = 1,663,766.28

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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.