Home / 1,672,083.90-2,507,484.08-711,930.75

Finding the Fourth Proportional to 1,672,083.90, 2,507,484.08 and 711,930.75

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Solution

The fourth proportional to 1,672,083.90, 2,507,484.08 and 711,930.75 is: 1,067,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,083.90 : 2,507,484.08 = 711,930.75 : x
  2. Step 2: Convert to fraction form
    1,672,083.90/2,507,484.08 = 711,930.75/x
  3. Step 3: Cross multiply
    1,672,083.90x = 2,507,484.08 × 711,930.75
  4. Step 4: Simplify right side
    1,672,083.90x = 1,785,155,021,687.46
  5. Step 5: Solve for x
    x = 1,785,155,021,687.46/1,672,083.90
  6. Step 6: Final answer
    x = 1,067,622.88

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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.