Home / 1,181,377.80-1,772,066.70-339,929.55

Finding the Fourth Proportional to 1,181,377.80, 1,772,066.70 and 339,929.55

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Solution

The fourth proportional to 1,181,377.80, 1,772,066.70 and 339,929.55 is: 509,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,377.80 : 1,772,066.70 = 339,929.55 : x
  2. Step 2: Convert to fraction form
    1,181,377.80/1,772,066.70 = 339,929.55/x
  3. Step 3: Cross multiply
    1,181,377.80x = 1,772,066.70 × 339,929.55
  4. Step 4: Simplify right side
    1,181,377.80x = 602,377,835,900.99
  5. Step 5: Solve for x
    x = 602,377,835,900.99/1,181,377.80
  6. Step 6: Final answer
    x = 509,894.33

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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.