Home / 1,500,993.28-2,071,349.76-821,929.60

Finding the Fourth Proportional to 1,500,993.28, 2,071,349.76 and 821,929.60

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Solution

The fourth proportional to 1,500,993.28, 2,071,349.76 and 821,929.60 is: 1,134,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,993.28 : 2,071,349.76 = 821,929.60 : x
  2. Step 2: Convert to fraction form
    1,500,993.28/2,071,349.76 = 821,929.60/x
  3. Step 3: Cross multiply
    1,500,993.28x = 2,071,349.76 × 821,929.60
  4. Step 4: Simplify right side
    1,500,993.28x = 1,702,503,679,696.90
  5. Step 5: Solve for x
    x = 1,702,503,679,696.90/1,500,993.28
  6. Step 6: Final answer
    x = 1,134,251.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.