Home / 1,663,447.80-2,295,555.21-899,499.54

Finding the Fourth Proportional to 1,663,447.80, 2,295,555.21 and 899,499.54

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Solution

The fourth proportional to 1,663,447.80, 2,295,555.21 and 899,499.54 is: 1,241,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,447.80 : 2,295,555.21 = 899,499.54 : x
  2. Step 2: Convert to fraction form
    1,663,447.80/2,295,555.21 = 899,499.54/x
  3. Step 3: Cross multiply
    1,663,447.80x = 2,295,555.21 × 899,499.54
  4. Step 4: Simplify right side
    1,663,447.80x = 2,064,850,855,439.60
  5. Step 5: Solve for x
    x = 2,064,850,855,439.60/1,663,447.80
  6. Step 6: Final answer
    x = 1,241,307.88

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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.