Home / 1,128,962.61-1,558,697.99-699,698.25

Finding the Fourth Proportional to 1,128,962.61, 1,558,697.99 and 699,698.25

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Solution

The fourth proportional to 1,128,962.61, 1,558,697.99 and 699,698.25 is: 966,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,962.61 : 1,558,697.99 = 699,698.25 : x
  2. Step 2: Convert to fraction form
    1,128,962.61/1,558,697.99 = 699,698.25/x
  3. Step 3: Cross multiply
    1,128,962.61x = 1,558,697.99 × 699,698.25
  4. Step 4: Simplify right side
    1,128,962.61x = 1,090,618,252,383.03
  5. Step 5: Solve for x
    x = 1,090,618,252,383.03/1,128,962.61
  6. Step 6: Final answer
    x = 966,035.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.