Home / 1,649,523.30-2,473,508.40-639,118.50

Finding the Fourth Proportional to 1,649,523.30, 2,473,508.40 and 639,118.50

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Solution

The fourth proportional to 1,649,523.30, 2,473,508.40 and 639,118.50 is: 958,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,523.30 : 2,473,508.40 = 639,118.50 : x
  2. Step 2: Convert to fraction form
    1,649,523.30/2,473,508.40 = 639,118.50/x
  3. Step 3: Cross multiply
    1,649,523.30x = 2,473,508.40 × 639,118.50
  4. Step 4: Simplify right side
    1,649,523.30x = 1,580,864,978,345.40
  5. Step 5: Solve for x
    x = 1,580,864,978,345.40/1,649,523.30
  6. Step 6: Final answer
    x = 958,376.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.