Home / 1,557,929.52-2,149,949.24-842,537.52

Finding the Fourth Proportional to 1,557,929.52, 2,149,949.24 and 842,537.52

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Solution

The fourth proportional to 1,557,929.52, 2,149,949.24 and 842,537.52 is: 1,162,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,929.52 : 2,149,949.24 = 842,537.52 : x
  2. Step 2: Convert to fraction form
    1,557,929.52/2,149,949.24 = 842,537.52/x
  3. Step 3: Cross multiply
    1,557,929.52x = 2,149,949.24 × 842,537.52
  4. Step 4: Simplify right side
    1,557,929.52x = 1,811,412,900,795.49
  5. Step 5: Solve for x
    x = 1,811,412,900,795.49/1,557,929.52
  6. Step 6: Final answer
    x = 1,162,705.29

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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.