Home / 1,131,447.80-1,697,133.30-290,007.80

Finding the Fourth Proportional to 1,131,447.80, 1,697,133.30 and 290,007.80

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Solution

The fourth proportional to 1,131,447.80, 1,697,133.30 and 290,007.80 is: 435,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,447.80 : 1,697,133.30 = 290,007.80 : x
  2. Step 2: Convert to fraction form
    1,131,447.80/1,697,133.30 = 290,007.80/x
  3. Step 3: Cross multiply
    1,131,447.80x = 1,697,133.30 × 290,007.80
  4. Step 4: Simplify right side
    1,131,447.80x = 492,181,894,639.74
  5. Step 5: Solve for x
    x = 492,181,894,639.74/1,131,447.80
  6. Step 6: Final answer
    x = 435,001.86

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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.