Home / 1,720,021.23-2,580,343.25-708,581.12

Finding the Fourth Proportional to 1,720,021.23, 2,580,343.25 and 708,581.12

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Solution

The fourth proportional to 1,720,021.23, 2,580,343.25 and 708,581.12 is: 1,062,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,021.23 : 2,580,343.25 = 708,581.12 : x
  2. Step 2: Convert to fraction form
    1,720,021.23/2,580,343.25 = 708,581.12/x
  3. Step 3: Cross multiply
    1,720,021.23x = 2,580,343.25 × 708,581.12
  4. Step 4: Simplify right side
    1,720,021.23x = 1,828,382,493,624.82
  5. Step 5: Solve for x
    x = 1,828,382,493,624.82/1,720,021.23
  6. Step 6: Final answer
    x = 1,062,999.96

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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.