Home / 1,099,315.66-1,517,099.16-615,884.80

Finding the Fourth Proportional to 1,099,315.66, 1,517,099.16 and 615,884.80

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Solution

The fourth proportional to 1,099,315.66, 1,517,099.16 and 615,884.80 is: 849,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,315.66 : 1,517,099.16 = 615,884.80 : x
  2. Step 2: Convert to fraction form
    1,099,315.66/1,517,099.16 = 615,884.80/x
  3. Step 3: Cross multiply
    1,099,315.66x = 1,517,099.16 × 615,884.80
  4. Step 4: Simplify right side
    1,099,315.66x = 934,358,312,736.77
  5. Step 5: Solve for x
    x = 934,358,312,736.77/1,099,315.66
  6. Step 6: Final answer
    x = 849,945.42

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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.