Home / 1,761,241.60-2,638,363.20-961,091.20

Finding the Fourth Proportional to 1,761,241.60, 2,638,363.20 and 961,091.20

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Solution

The fourth proportional to 1,761,241.60, 2,638,363.20 and 961,091.20 is: 1,439,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,241.60 : 2,638,363.20 = 961,091.20 : x
  2. Step 2: Convert to fraction form
    1,761,241.60/2,638,363.20 = 961,091.20/x
  3. Step 3: Cross multiply
    1,761,241.60x = 2,638,363.20 × 961,091.20
  4. Step 4: Simplify right side
    1,761,241.60x = 2,535,707,653,923.84
  5. Step 5: Solve for x
    x = 2,535,707,653,923.84/1,761,241.60
  6. Step 6: Final answer
    x = 1,439,727.32

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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.