Home / 1,087,310.52-1,631,022.12-277,702.56

Finding the Fourth Proportional to 1,087,310.52, 1,631,022.12 and 277,702.56

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Solution

The fourth proportional to 1,087,310.52, 1,631,022.12 and 277,702.56 is: 416,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,310.52 : 1,631,022.12 = 277,702.56 : x
  2. Step 2: Convert to fraction form
    1,087,310.52/1,631,022.12 = 277,702.56/x
  3. Step 3: Cross multiply
    1,087,310.52x = 1,631,022.12 × 277,702.56
  4. Step 4: Simplify right side
    1,087,310.52x = 452,939,018,140.63
  5. Step 5: Solve for x
    x = 452,939,018,140.63/1,087,310.52
  6. Step 6: Final answer
    x = 416,568.23

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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.