Home / 1,321,592.40-1,823,738.64-748,620.96

Finding the Fourth Proportional to 1,321,592.40, 1,823,738.64 and 748,620.96

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Solution

The fourth proportional to 1,321,592.40, 1,823,738.64 and 748,620.96 is: 1,033,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,592.40 : 1,823,738.64 = 748,620.96 : x
  2. Step 2: Convert to fraction form
    1,321,592.40/1,823,738.64 = 748,620.96/x
  3. Step 3: Cross multiply
    1,321,592.40x = 1,823,738.64 × 748,620.96
  4. Step 4: Simplify right side
    1,321,592.40x = 1,365,288,971,465.89
  5. Step 5: Solve for x
    x = 1,365,288,971,465.89/1,321,592.40
  6. Step 6: Final answer
    x = 1,033,063.58

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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.