Home / 1,147,987.41-1,722,368.64-508,202.90

Finding the Fourth Proportional to 1,147,987.41, 1,722,368.64 and 508,202.90

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Solution

The fourth proportional to 1,147,987.41, 1,722,368.64 and 508,202.90 is: 762,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,987.41 : 1,722,368.64 = 508,202.90 : x
  2. Step 2: Convert to fraction form
    1,147,987.41/1,722,368.64 = 508,202.90/x
  3. Step 3: Cross multiply
    1,147,987.41x = 1,722,368.64 × 508,202.90
  4. Step 4: Simplify right side
    1,147,987.41x = 875,312,729,105.21
  5. Step 5: Solve for x
    x = 875,312,729,105.21/1,147,987.41
  6. Step 6: Final answer
    x = 762,475.90

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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.