Home / 1,761,250.60-2,638,376.70-961,100.20

Finding the Fourth Proportional to 1,761,250.60, 2,638,376.70 and 961,100.20

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Solution

The fourth proportional to 1,761,250.60, 2,638,376.70 and 961,100.20 is: 1,439,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,250.60 : 2,638,376.70 = 961,100.20 : x
  2. Step 2: Convert to fraction form
    1,761,250.60/2,638,376.70 = 961,100.20/x
  3. Step 3: Cross multiply
    1,761,250.60x = 2,638,376.70 × 961,100.20
  4. Step 4: Simplify right side
    1,761,250.60x = 2,535,744,374,045.34
  5. Step 5: Solve for x
    x = 2,535,744,374,045.34/1,761,250.60
  6. Step 6: Final answer
    x = 1,439,740.81

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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.