Home / 1,229,888.80-1,845,610.80-724,448.80

Finding the Fourth Proportional to 1,229,888.80, 1,845,610.80 and 724,448.80

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Solution

The fourth proportional to 1,229,888.80, 1,845,610.80 and 724,448.80 is: 1,087,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,888.80 : 1,845,610.80 = 724,448.80 : x
  2. Step 2: Convert to fraction form
    1,229,888.80/1,845,610.80 = 724,448.80/x
  3. Step 3: Cross multiply
    1,229,888.80x = 1,845,610.80 × 724,448.80
  4. Step 4: Simplify right side
    1,229,888.80x = 1,337,050,529,327.04
  5. Step 5: Solve for x
    x = 1,337,050,529,327.04/1,229,888.80
  6. Step 6: Final answer
    x = 1,087,131.23

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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.