Home / 1,661,669.49-2,491,506-649,586.03

Finding the Fourth Proportional to 1,661,669.49, 2,491,506 and 649,586.03

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Solution

The fourth proportional to 1,661,669.49, 2,491,506 and 649,586.03 is: 973,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,669.49 : 2,491,506 = 649,586.03 : x
  2. Step 2: Convert to fraction form
    1,661,669.49/2,491,506 = 649,586.03/x
  3. Step 3: Cross multiply
    1,661,669.49x = 2,491,506 × 649,586.03
  4. Step 4: Simplify right side
    1,661,669.49x = 1,618,447,497,489.94
  5. Step 5: Solve for x
    x = 1,618,447,497,489.94/1,661,669.49
  6. Step 6: Final answer
    x = 973,988.82

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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.