Home / 1,679,659.80-2,519,489.70-997,643.85

Finding the Fourth Proportional to 1,679,659.80, 2,519,489.70 and 997,643.85

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Solution

The fourth proportional to 1,679,659.80, 2,519,489.70 and 997,643.85 is: 1,496,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,659.80 : 2,519,489.70 = 997,643.85 : x
  2. Step 2: Convert to fraction form
    1,679,659.80/2,519,489.70 = 997,643.85/x
  3. Step 3: Cross multiply
    1,679,659.80x = 2,519,489.70 × 997,643.85
  4. Step 4: Simplify right side
    1,679,659.80x = 2,513,553,404,343.35
  5. Step 5: Solve for x
    x = 2,513,553,404,343.35/1,679,659.80
  6. Step 6: Final answer
    x = 1,496,465.78

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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.