Home / 942,220.80-1,413,331.20-880,012.80

Finding the Fourth Proportional to 942,220.80, 1,413,331.20 and 880,012.80

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Solution

The fourth proportional to 942,220.80, 1,413,331.20 and 880,012.80 is: 1,320,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,220.80 : 1,413,331.20 = 880,012.80 : x
  2. Step 2: Convert to fraction form
    942,220.80/1,413,331.20 = 880,012.80/x
  3. Step 3: Cross multiply
    942,220.80x = 1,413,331.20 × 880,012.80
  4. Step 4: Simplify right side
    942,220.80x = 1,243,749,546,639.36
  5. Step 5: Solve for x
    x = 1,243,749,546,639.36/942,220.80
  6. Step 6: Final answer
    x = 1,320,019.20

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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.