Home / 880,007.20-1,320,010.80-788,768.80

Finding the Fourth Proportional to 880,007.20, 1,320,010.80 and 788,768.80

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Solution

The fourth proportional to 880,007.20, 1,320,010.80 and 788,768.80 is: 1,183,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,007.20 : 1,320,010.80 = 788,768.80 : x
  2. Step 2: Convert to fraction form
    880,007.20/1,320,010.80 = 788,768.80/x
  3. Step 3: Cross multiply
    880,007.20x = 1,320,010.80 × 788,768.80
  4. Step 4: Simplify right side
    880,007.20x = 1,041,183,334,703.04
  5. Step 5: Solve for x
    x = 1,041,183,334,703.04/880,007.20
  6. Step 6: Final answer
    x = 1,183,153.20

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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.