Home / 1,412,057.21-2,117,573.28-772,833.15

Finding the Fourth Proportional to 1,412,057.21, 2,117,573.28 and 772,833.15

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Solution

The fourth proportional to 1,412,057.21, 2,117,573.28 and 772,833.15 is: 1,158,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,057.21 : 2,117,573.28 = 772,833.15 : x
  2. Step 2: Convert to fraction form
    1,412,057.21/2,117,573.28 = 772,833.15/x
  3. Step 3: Cross multiply
    1,412,057.21x = 2,117,573.28 × 772,833.15
  4. Step 4: Simplify right side
    1,412,057.21x = 1,636,530,828,338.23
  5. Step 5: Solve for x
    x = 1,636,530,828,338.23/1,412,057.21
  6. Step 6: Final answer
    x = 1,158,969.21

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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.