Home / 1,074,639.30-1,483,214.20-616,061.78

Finding the Fourth Proportional to 1,074,639.30, 1,483,214.20 and 616,061.78

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Solution

The fourth proportional to 1,074,639.30, 1,483,214.20 and 616,061.78 is: 850,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,639.30 : 1,483,214.20 = 616,061.78 : x
  2. Step 2: Convert to fraction form
    1,074,639.30/1,483,214.20 = 616,061.78/x
  3. Step 3: Cross multiply
    1,074,639.30x = 1,483,214.20 × 616,061.78
  4. Step 4: Simplify right side
    1,074,639.30x = 913,751,580,173.28
  5. Step 5: Solve for x
    x = 913,751,580,173.28/1,074,639.30
  6. Step 6: Final answer
    x = 850,286.77

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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.