Home / 1,129,020.48-1,557,339.58-669,809.95

Finding the Fourth Proportional to 1,129,020.48, 1,557,339.58 and 669,809.95

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Solution

The fourth proportional to 1,129,020.48, 1,557,339.58 and 669,809.95 is: 923,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,020.48 : 1,557,339.58 = 669,809.95 : x
  2. Step 2: Convert to fraction form
    1,129,020.48/1,557,339.58 = 669,809.95/x
  3. Step 3: Cross multiply
    1,129,020.48x = 1,557,339.58 × 669,809.95
  4. Step 4: Simplify right side
    1,129,020.48x = 1,043,121,543,156.73
  5. Step 5: Solve for x
    x = 1,043,121,543,156.73/1,129,020.48
  6. Step 6: Final answer
    x = 923,917.29

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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.