Home / 1,231,735.04-1,699,697.36-687,828.32

Finding the Fourth Proportional to 1,231,735.04, 1,699,697.36 and 687,828.32

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Solution

The fourth proportional to 1,231,735.04, 1,699,697.36 and 687,828.32 is: 949,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,735.04 : 1,699,697.36 = 687,828.32 : x
  2. Step 2: Convert to fraction form
    1,231,735.04/1,699,697.36 = 687,828.32/x
  3. Step 3: Cross multiply
    1,231,735.04x = 1,699,697.36 × 687,828.32
  4. Step 4: Simplify right side
    1,231,735.04x = 1,169,099,979,637.24
  5. Step 5: Solve for x
    x = 1,169,099,979,637.24/1,231,735.04
  6. Step 6: Final answer
    x = 949,148.92

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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.