Home / 1,720,021.65-2,580,343.89-708,581.53

Finding the Fourth Proportional to 1,720,021.65, 2,580,343.89 and 708,581.53

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Solution

The fourth proportional to 1,720,021.65, 2,580,343.89 and 708,581.53 is: 1,063,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,021.65 : 2,580,343.89 = 708,581.53 : x
  2. Step 2: Convert to fraction form
    1,720,021.65/2,580,343.89 = 708,581.53/x
  3. Step 3: Cross multiply
    1,720,021.65x = 2,580,343.89 × 708,581.53
  4. Step 4: Simplify right side
    1,720,021.65x = 1,828,384,022,070.60
  5. Step 5: Solve for x
    x = 1,828,384,022,070.60/1,720,021.65
  6. Step 6: Final answer
    x = 1,063,000.59

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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.