Home / 1,802,529.36-2,487,415.50-986,712.78

Finding the Fourth Proportional to 1,802,529.36, 2,487,415.50 and 986,712.78

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Solution

The fourth proportional to 1,802,529.36, 2,487,415.50 and 986,712.78 is: 1,361,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,529.36 : 2,487,415.50 = 986,712.78 : x
  2. Step 2: Convert to fraction form
    1,802,529.36/2,487,415.50 = 986,712.78/x
  3. Step 3: Cross multiply
    1,802,529.36x = 2,487,415.50 × 986,712.78
  4. Step 4: Simplify right side
    1,802,529.36x = 2,454,364,663,020.09
  5. Step 5: Solve for x
    x = 2,454,364,663,020.09/1,802,529.36
  6. Step 6: Final answer
    x = 1,361,622.57

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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.