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Finding the Fourth Proportional to 964,525.10, 1,446,492.14 and 666,918.14

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Solution

The fourth proportional to 964,525.10, 1,446,492.14 and 666,918.14 is: 1,000,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,525.10 : 1,446,492.14 = 666,918.14 : x
  2. Step 2: Convert to fraction form
    964,525.10/1,446,492.14 = 666,918.14/x
  3. Step 3: Cross multiply
    964,525.10x = 1,446,492.14 × 666,918.14
  4. Step 4: Simplify right side
    964,525.10x = 964,691,847,533.42
  5. Step 5: Solve for x
    x = 964,691,847,533.42/964,525.10
  6. Step 6: Final answer
    x = 1,000,172.88

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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.