Home / 1,251,965.28-1,727,688.24-678,995.04

Finding the Fourth Proportional to 1,251,965.28, 1,727,688.24 and 678,995.04

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Solution

The fourth proportional to 1,251,965.28, 1,727,688.24 and 678,995.04 is: 937,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,965.28 : 1,727,688.24 = 678,995.04 : x
  2. Step 2: Convert to fraction form
    1,251,965.28/1,727,688.24 = 678,995.04/x
  3. Step 3: Cross multiply
    1,251,965.28x = 1,727,688.24 × 678,995.04
  4. Step 4: Simplify right side
    1,251,965.28x = 1,173,091,745,626.33
  5. Step 5: Solve for x
    x = 1,173,091,745,626.33/1,251,965.28
  6. Step 6: Final answer
    x = 937,000.22

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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.