Home / 1,136,236.77-1,568,005.85-728,338.32

Finding the Fourth Proportional to 1,136,236.77, 1,568,005.85 and 728,338.32

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Solution

The fourth proportional to 1,136,236.77, 1,568,005.85 and 728,338.32 is: 1,005,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,236.77 : 1,568,005.85 = 728,338.32 : x
  2. Step 2: Convert to fraction form
    1,136,236.77/1,568,005.85 = 728,338.32/x
  3. Step 3: Cross multiply
    1,136,236.77x = 1,568,005.85 × 728,338.32
  4. Step 4: Simplify right side
    1,136,236.77x = 1,142,038,748,360.02
  5. Step 5: Solve for x
    x = 1,142,038,748,360.02/1,136,236.77
  6. Step 6: Final answer
    x = 1,005,106.31

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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.