Home / 1,174,640.80-1,765,719.60-1,091,437.60

Finding the Fourth Proportional to 1,174,640.80, 1,765,719.60 and 1,091,437.60

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Solution

The fourth proportional to 1,174,640.80, 1,765,719.60 and 1,091,437.60 is: 1,640,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,640.80 : 1,765,719.60 = 1,091,437.60 : x
  2. Step 2: Convert to fraction form
    1,174,640.80/1,765,719.60 = 1,091,437.60/x
  3. Step 3: Cross multiply
    1,174,640.80x = 1,765,719.60 × 1,091,437.60
  4. Step 4: Simplify right side
    1,174,640.80x = 1,927,172,762,496.96
  5. Step 5: Solve for x
    x = 1,927,172,762,496.96/1,174,640.80
  6. Step 6: Final answer
    x = 1,640,648.58

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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.