Home / 1,049,997.60-1,574,996.40-649,339.20

Finding the Fourth Proportional to 1,049,997.60, 1,574,996.40 and 649,339.20

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Solution

The fourth proportional to 1,049,997.60, 1,574,996.40 and 649,339.20 is: 974,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,997.60 : 1,574,996.40 = 649,339.20 : x
  2. Step 2: Convert to fraction form
    1,049,997.60/1,574,996.40 = 649,339.20/x
  3. Step 3: Cross multiply
    1,049,997.60x = 1,574,996.40 × 649,339.20
  4. Step 4: Simplify right side
    1,049,997.60x = 1,022,706,902,378.88
  5. Step 5: Solve for x
    x = 1,022,706,902,378.88/1,049,997.60
  6. Step 6: Final answer
    x = 974,008.80

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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.