Home / 1,008,054.80-1,512,082.21-693,126.80

Finding the Fourth Proportional to 1,008,054.80, 1,512,082.21 and 693,126.80

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Solution

The fourth proportional to 1,008,054.80, 1,512,082.21 and 693,126.80 is: 1,039,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,054.80 : 1,512,082.21 = 693,126.80 : x
  2. Step 2: Convert to fraction form
    1,008,054.80/1,512,082.21 = 693,126.80/x
  3. Step 3: Cross multiply
    1,008,054.80x = 1,512,082.21 × 693,126.80
  4. Step 4: Simplify right side
    1,008,054.80x = 1,048,064,703,554.23
  5. Step 5: Solve for x
    x = 1,048,064,703,554.23/1,008,054.80
  6. Step 6: Final answer
    x = 1,039,690.21

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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.