Home / 1,146,314.99-1,719,680.03-472,028.57

Finding the Fourth Proportional to 1,146,314.99, 1,719,680.03 and 472,028.57

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Solution

The fourth proportional to 1,146,314.99, 1,719,680.03 and 472,028.57 is: 708,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,314.99 : 1,719,680.03 = 472,028.57 : x
  2. Step 2: Convert to fraction form
    1,146,314.99/1,719,680.03 = 472,028.57/x
  3. Step 3: Cross multiply
    1,146,314.99x = 1,719,680.03 × 472,028.57
  4. Step 4: Simplify right side
    1,146,314.99x = 811,738,110,897.73
  5. Step 5: Solve for x
    x = 811,738,110,897.73/1,146,314.99
  6. Step 6: Final answer
    x = 708,128.32

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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.