Home / 2,172,759.72-3,258,763.74-575,345.76

Finding the Fourth Proportional to 2,172,759.72, 3,258,763.74 and 575,345.76

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Solution

The fourth proportional to 2,172,759.72, 3,258,763.74 and 575,345.76 is: 862,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,759.72 : 3,258,763.74 = 575,345.76 : x
  2. Step 2: Convert to fraction form
    2,172,759.72/3,258,763.74 = 575,345.76/x
  3. Step 3: Cross multiply
    2,172,759.72x = 3,258,763.74 × 575,345.76
  4. Step 4: Simplify right side
    2,172,759.72x = 1,874,915,900,650.74
  5. Step 5: Solve for x
    x = 1,874,915,900,650.74/2,172,759.72
  6. Step 6: Final answer
    x = 862,919.12

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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.