Home / 1,640,444.40-2,262,903.48-961,249.68

Finding the Fourth Proportional to 1,640,444.40, 2,262,903.48 and 961,249.68

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Solution

The fourth proportional to 1,640,444.40, 2,262,903.48 and 961,249.68 is: 1,325,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,444.40 : 2,262,903.48 = 961,249.68 : x
  2. Step 2: Convert to fraction form
    1,640,444.40/2,262,903.48 = 961,249.68/x
  3. Step 3: Cross multiply
    1,640,444.40x = 2,262,903.48 × 961,249.68
  4. Step 4: Simplify right side
    1,640,444.40x = 2,175,215,246,020.89
  5. Step 5: Solve for x
    x = 2,175,215,246,020.89/1,640,444.40
  6. Step 6: Final answer
    x = 1,325,991.45

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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.