Home / 1,007,581.43-1,511,571.47-287,929.64

Finding the Fourth Proportional to 1,007,581.43, 1,511,571.47 and 287,929.64

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Solution

The fourth proportional to 1,007,581.43, 1,511,571.47 and 287,929.64 is: 431,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,581.43 : 1,511,571.47 = 287,929.64 : x
  2. Step 2: Convert to fraction form
    1,007,581.43/1,511,571.47 = 287,929.64/x
  3. Step 3: Cross multiply
    1,007,581.43x = 1,511,571.47 × 287,929.64
  4. Step 4: Simplify right side
    1,007,581.43x = 435,226,220,193.87
  5. Step 5: Solve for x
    x = 435,226,220,193.87/1,007,581.43
  6. Step 6: Final answer
    x = 431,951.41

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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.