Home / 1,305,241.02-1,801,341.18-724,518.81

Finding the Fourth Proportional to 1,305,241.02, 1,801,341.18 and 724,518.81

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Solution

The fourth proportional to 1,305,241.02, 1,801,341.18 and 724,518.81 is: 999,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,241.02 : 1,801,341.18 = 724,518.81 : x
  2. Step 2: Convert to fraction form
    1,305,241.02/1,801,341.18 = 724,518.81/x
  3. Step 3: Cross multiply
    1,305,241.02x = 1,801,341.18 × 724,518.81
  4. Step 4: Simplify right side
    1,305,241.02x = 1,305,105,568,137.60
  5. Step 5: Solve for x
    x = 1,305,105,568,137.60/1,305,241.02
  6. Step 6: Final answer
    x = 999,896.22

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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.