Home / 1,689,731.85-2,534,575.91-410,349.81

Finding the Fourth Proportional to 1,689,731.85, 2,534,575.91 and 410,349.81

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Solution

The fourth proportional to 1,689,731.85, 2,534,575.91 and 410,349.81 is: 615,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,731.85 : 2,534,575.91 = 410,349.81 : x
  2. Step 2: Convert to fraction form
    1,689,731.85/2,534,575.91 = 410,349.81/x
  3. Step 3: Cross multiply
    1,689,731.85x = 2,534,575.91 × 410,349.81
  4. Step 4: Simplify right side
    1,689,731.85x = 1,040,062,741,047.33
  5. Step 5: Solve for x
    x = 1,040,062,741,047.33/1,689,731.85
  6. Step 6: Final answer
    x = 615,519.40

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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.