Home / 1,665,726.72-2,499,056.64-669,154.56

Finding the Fourth Proportional to 1,665,726.72, 2,499,056.64 and 669,154.56

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Solution

The fourth proportional to 1,665,726.72, 2,499,056.64 and 669,154.56 is: 1,003,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,726.72 : 2,499,056.64 = 669,154.56 : x
  2. Step 2: Convert to fraction form
    1,665,726.72/2,499,056.64 = 669,154.56/x
  3. Step 3: Cross multiply
    1,665,726.72x = 2,499,056.64 × 669,154.56
  4. Step 4: Simplify right side
    1,665,726.72x = 1,672,255,146,354.28
  5. Step 5: Solve for x
    x = 1,672,255,146,354.28/1,665,726.72
  6. Step 6: Final answer
    x = 1,003,919.27

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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.