Home / 1,185,085.08-1,635,630.30-668,996.28

Finding the Fourth Proportional to 1,185,085.08, 1,635,630.30 and 668,996.28

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Solution

The fourth proportional to 1,185,085.08, 1,635,630.30 and 668,996.28 is: 923,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,085.08 : 1,635,630.30 = 668,996.28 : x
  2. Step 2: Convert to fraction form
    1,185,085.08/1,635,630.30 = 668,996.28/x
  3. Step 3: Cross multiply
    1,185,085.08x = 1,635,630.30 × 668,996.28
  4. Step 4: Simplify right side
    1,185,085.08x = 1,094,230,586,155.28
  5. Step 5: Solve for x
    x = 1,094,230,586,155.28/1,185,085.08
  6. Step 6: Final answer
    x = 923,335.05

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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.