Home / 1,715,525.05-2,367,378.89-990,348.25

Finding the Fourth Proportional to 1,715,525.05, 2,367,378.89 and 990,348.25

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Solution

The fourth proportional to 1,715,525.05, 2,367,378.89 and 990,348.25 is: 1,366,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,525.05 : 2,367,378.89 = 990,348.25 : x
  2. Step 2: Convert to fraction form
    1,715,525.05/2,367,378.89 = 990,348.25/x
  3. Step 3: Cross multiply
    1,715,525.05x = 2,367,378.89 × 990,348.25
  4. Step 4: Simplify right side
    1,715,525.05x = 2,344,529,535,846.70
  5. Step 5: Solve for x
    x = 2,344,529,535,846.70/1,715,525.05
  6. Step 6: Final answer
    x = 1,366,654.21

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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.