Home / 1,621,190.80-2,433,168.60-724,013.20

Finding the Fourth Proportional to 1,621,190.80, 2,433,168.60 and 724,013.20

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Solution

The fourth proportional to 1,621,190.80, 2,433,168.60 and 724,013.20 is: 1,086,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,190.80 : 2,433,168.60 = 724,013.20 : x
  2. Step 2: Convert to fraction form
    1,621,190.80/2,433,168.60 = 724,013.20/x
  3. Step 3: Cross multiply
    1,621,190.80x = 2,433,168.60 × 724,013.20
  4. Step 4: Simplify right side
    1,621,190.80x = 1,761,646,184,225.52
  5. Step 5: Solve for x
    x = 1,761,646,184,225.52/1,621,190.80
  6. Step 6: Final answer
    x = 1,086,637.17

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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.