Home / 1,147,071.64-1,582,999.50-630,865.44

Finding the Fourth Proportional to 1,147,071.64, 1,582,999.50 and 630,865.44

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Solution

The fourth proportional to 1,147,071.64, 1,582,999.50 and 630,865.44 is: 870,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,071.64 : 1,582,999.50 = 630,865.44 : x
  2. Step 2: Convert to fraction form
    1,147,071.64/1,582,999.50 = 630,865.44/x
  3. Step 3: Cross multiply
    1,147,071.64x = 1,582,999.50 × 630,865.44
  4. Step 4: Simplify right side
    1,147,071.64x = 998,659,676,087.28
  5. Step 5: Solve for x
    x = 998,659,676,087.28/1,147,071.64
  6. Step 6: Final answer
    x = 870,616.66

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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.