Home / 1,130,912.85-1,561,023.45-724,110.33

Finding the Fourth Proportional to 1,130,912.85, 1,561,023.45 and 724,110.33

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Solution

The fourth proportional to 1,130,912.85, 1,561,023.45 and 724,110.33 is: 999,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,912.85 : 1,561,023.45 = 724,110.33 : x
  2. Step 2: Convert to fraction form
    1,130,912.85/1,561,023.45 = 724,110.33/x
  3. Step 3: Cross multiply
    1,130,912.85x = 1,561,023.45 × 724,110.33
  4. Step 4: Simplify right side
    1,130,912.85x = 1,130,353,205,517.24
  5. Step 5: Solve for x
    x = 1,130,353,205,517.24/1,130,912.85
  6. Step 6: Final answer
    x = 999,505.14

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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.