Home / 1,333,162.80-1,999,744.20-335,890.80

Finding the Fourth Proportional to 1,333,162.80, 1,999,744.20 and 335,890.80

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Solution

The fourth proportional to 1,333,162.80, 1,999,744.20 and 335,890.80 is: 503,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,162.80 : 1,999,744.20 = 335,890.80 : x
  2. Step 2: Convert to fraction form
    1,333,162.80/1,999,744.20 = 335,890.80/x
  3. Step 3: Cross multiply
    1,333,162.80x = 1,999,744.20 × 335,890.80
  4. Step 4: Simplify right side
    1,333,162.80x = 671,695,679,133.36
  5. Step 5: Solve for x
    x = 671,695,679,133.36/1,333,162.80
  6. Step 6: Final answer
    x = 503,836.20

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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.