Home / 1,107,409.20-1,661,113.80-547,537.20

Finding the Fourth Proportional to 1,107,409.20, 1,661,113.80 and 547,537.20

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Solution

The fourth proportional to 1,107,409.20, 1,661,113.80 and 547,537.20 is: 821,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,409.20 : 1,661,113.80 = 547,537.20 : x
  2. Step 2: Convert to fraction form
    1,107,409.20/1,661,113.80 = 547,537.20/x
  3. Step 3: Cross multiply
    1,107,409.20x = 1,661,113.80 × 547,537.20
  4. Step 4: Simplify right side
    1,107,409.20x = 909,521,598,933.36
  5. Step 5: Solve for x
    x = 909,521,598,933.36/1,107,409.20
  6. Step 6: Final answer
    x = 821,305.80

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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.