Home / 1,008,958.56-1,391,575.05-646,416.06

Finding the Fourth Proportional to 1,008,958.56, 1,391,575.05 and 646,416.06

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Solution

The fourth proportional to 1,008,958.56, 1,391,575.05 and 646,416.06 is: 891,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,958.56 : 1,391,575.05 = 646,416.06 : x
  2. Step 2: Convert to fraction form
    1,008,958.56/1,391,575.05 = 646,416.06/x
  3. Step 3: Cross multiply
    1,008,958.56x = 1,391,575.05 × 646,416.06
  4. Step 4: Simplify right side
    1,008,958.56x = 899,536,461,015.30
  5. Step 5: Solve for x
    x = 899,536,461,015.30/1,008,958.56
  6. Step 6: Final answer
    x = 891,549.46

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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.