Home / 1,145,916.72-1,718,283.78-514,290.06

Finding the Fourth Proportional to 1,145,916.72, 1,718,283.78 and 514,290.06

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Solution

The fourth proportional to 1,145,916.72, 1,718,283.78 and 514,290.06 is: 771,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,916.72 : 1,718,283.78 = 514,290.06 : x
  2. Step 2: Convert to fraction form
    1,145,916.72/1,718,283.78 = 514,290.06/x
  3. Step 3: Cross multiply
    1,145,916.72x = 1,718,283.78 × 514,290.06
  4. Step 4: Simplify right side
    1,145,916.72x = 883,696,268,313.23
  5. Step 5: Solve for x
    x = 883,696,268,313.23/1,145,916.72
  6. Step 6: Final answer
    x = 771,169.71

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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.