Home / 1,258,372.62-1,887,805.64-500,072.74

Finding the Fourth Proportional to 1,258,372.62, 1,887,805.64 and 500,072.74

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Solution

The fourth proportional to 1,258,372.62, 1,887,805.64 and 500,072.74 is: 750,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,372.62 : 1,887,805.64 = 500,072.74 : x
  2. Step 2: Convert to fraction form
    1,258,372.62/1,887,805.64 = 500,072.74/x
  3. Step 3: Cross multiply
    1,258,372.62x = 1,887,805.64 × 500,072.74
  4. Step 4: Simplify right side
    1,258,372.62x = 944,040,138,982.25
  5. Step 5: Solve for x
    x = 944,040,138,982.25/1,258,372.62
  6. Step 6: Final answer
    x = 750,207.15

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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.