Home / 1,113,115.80-1,669,673.70-553,243.80

Finding the Fourth Proportional to 1,113,115.80, 1,669,673.70 and 553,243.80

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Solution

The fourth proportional to 1,113,115.80, 1,669,673.70 and 553,243.80 is: 829,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,115.80 : 1,669,673.70 = 553,243.80 : x
  2. Step 2: Convert to fraction form
    1,113,115.80/1,669,673.70 = 553,243.80/x
  3. Step 3: Cross multiply
    1,113,115.80x = 1,669,673.70 × 553,243.80
  4. Step 4: Simplify right side
    1,113,115.80x = 923,736,622,548.06
  5. Step 5: Solve for x
    x = 923,736,622,548.06/1,113,115.80
  6. Step 6: Final answer
    x = 829,865.70

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Double scale
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Similar ratio
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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.