Home / 1,689,288.83-2,534,180.30-491,055.45

Finding the Fourth Proportional to 1,689,288.83, 2,534,180.30 and 491,055.45

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Solution

The fourth proportional to 1,689,288.83, 2,534,180.30 and 491,055.45 is: 736,654.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,288.83 : 2,534,180.30 = 491,055.45 : x
  2. Step 2: Convert to fraction form
    1,689,288.83/2,534,180.30 = 491,055.45/x
  3. Step 3: Cross multiply
    1,689,288.83x = 2,534,180.30 × 491,055.45
  4. Step 4: Simplify right side
    1,689,288.83x = 1,244,423,045,142.36
  5. Step 5: Solve for x
    x = 1,244,423,045,142.36/1,689,288.83
  6. Step 6: Final answer
    x = 736,654.99

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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.