Home / 1,432,089.57-1,976,334.35-787,558.80

Finding the Fourth Proportional to 1,432,089.57, 1,976,334.35 and 787,558.80

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Solution

The fourth proportional to 1,432,089.57, 1,976,334.35 and 787,558.80 is: 1,086,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,089.57 : 1,976,334.35 = 787,558.80 : x
  2. Step 2: Convert to fraction form
    1,432,089.57/1,976,334.35 = 787,558.80/x
  3. Step 3: Cross multiply
    1,432,089.57x = 1,976,334.35 × 787,558.80
  4. Step 4: Simplify right side
    1,432,089.57x = 1,556,479,505,146.99
  5. Step 5: Solve for x
    x = 1,556,479,505,146.99/1,432,089.57
  6. Step 6: Final answer
    x = 1,086,859.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.