Home / 1,021,705.30-1,529,933.55-810,003.70

Finding the Fourth Proportional to 1,021,705.30, 1,529,933.55 and 810,003.70

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Solution

The fourth proportional to 1,021,705.30, 1,529,933.55 and 810,003.70 is: 1,212,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,705.30 : 1,529,933.55 = 810,003.70 : x
  2. Step 2: Convert to fraction form
    1,021,705.30/1,529,933.55 = 810,003.70/x
  3. Step 3: Cross multiply
    1,021,705.30x = 1,529,933.55 × 810,003.70
  4. Step 4: Simplify right side
    1,021,705.30x = 1,239,251,836,254.14
  5. Step 5: Solve for x
    x = 1,239,251,836,254.14/1,021,705.30
  6. Step 6: Final answer
    x = 1,212,924.94

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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.