Home / 1,660,868.70-2,291,998.80-896,922.21

Finding the Fourth Proportional to 1,660,868.70, 2,291,998.80 and 896,922.21

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Solution

The fourth proportional to 1,660,868.70, 2,291,998.80 and 896,922.21 is: 1,237,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,868.70 : 2,291,998.80 = 896,922.21 : x
  2. Step 2: Convert to fraction form
    1,660,868.70/2,291,998.80 = 896,922.21/x
  3. Step 3: Cross multiply
    1,660,868.70x = 2,291,998.80 × 896,922.21
  4. Step 4: Simplify right side
    1,660,868.70x = 2,055,744,629,013.35
  5. Step 5: Solve for x
    x = 2,055,744,629,013.35/1,660,868.70
  6. Step 6: Final answer
    x = 1,237,752.65

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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.