Home / 1,287,539.52-1,775,996.16-829,248

Finding the Fourth Proportional to 1,287,539.52, 1,775,996.16 and 829,248

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Solution

The fourth proportional to 1,287,539.52, 1,775,996.16 and 829,248 is: 1,143,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,539.52 : 1,775,996.16 = 829,248 : x
  2. Step 2: Convert to fraction form
    1,287,539.52/1,775,996.16 = 829,248/x
  3. Step 3: Cross multiply
    1,287,539.52x = 1,775,996.16 × 829,248
  4. Step 4: Simplify right side
    1,287,539.52x = 1,472,741,263,687.68
  5. Step 5: Solve for x
    x = 1,472,741,263,687.68/1,287,539.52
  6. Step 6: Final answer
    x = 1,143,841.60

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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.