Home / 1,557,417-2,149,235.46-842,025

Finding the Fourth Proportional to 1,557,417, 2,149,235.46 and 842,025

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Solution

The fourth proportional to 1,557,417, 2,149,235.46 and 842,025 is: 1,161,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,417 : 2,149,235.46 = 842,025 : x
  2. Step 2: Convert to fraction form
    1,557,417/2,149,235.46 = 842,025/x
  3. Step 3: Cross multiply
    1,557,417x = 2,149,235.46 × 842,025
  4. Step 4: Simplify right side
    1,557,417x = 1,809,709,988,206.50
  5. Step 5: Solve for x
    x = 1,809,709,988,206.50/1,557,417
  6. Step 6: Final answer
    x = 1,161,994.50

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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.