Home / 1,288,986-1,933,479.80-490,083

Finding the Fourth Proportional to 1,288,986, 1,933,479.80 and 490,083

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Solution

The fourth proportional to 1,288,986, 1,933,479.80 and 490,083 is: 735,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,986 : 1,933,479.80 = 490,083 : x
  2. Step 2: Convert to fraction form
    1,288,986/1,933,479.80 = 490,083/x
  3. Step 3: Cross multiply
    1,288,986x = 1,933,479.80 × 490,083
  4. Step 4: Simplify right side
    1,288,986x = 947,565,580,823.40
  5. Step 5: Solve for x
    x = 947,565,580,823.40/1,288,986
  6. Step 6: Final answer
    x = 735,124.80

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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.