Home / 1,090,330.80-1,637,245.80-736,911.60

Finding the Fourth Proportional to 1,090,330.80, 1,637,245.80 and 736,911.60

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Solution

The fourth proportional to 1,090,330.80, 1,637,245.80 and 736,911.60 is: 1,106,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,330.80 : 1,637,245.80 = 736,911.60 : x
  2. Step 2: Convert to fraction form
    1,090,330.80/1,637,245.80 = 736,911.60/x
  3. Step 3: Cross multiply
    1,090,330.80x = 1,637,245.80 × 736,911.60
  4. Step 4: Simplify right side
    1,090,330.80x = 1,206,505,422,071.28
  5. Step 5: Solve for x
    x = 1,206,505,422,071.28/1,090,330.80
  6. Step 6: Final answer
    x = 1,106,549.89

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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.