Home / 1,557,914.50-2,149,928.49-842,522.50

Finding the Fourth Proportional to 1,557,914.50, 2,149,928.49 and 842,522.50

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Solution

The fourth proportional to 1,557,914.50, 2,149,928.49 and 842,522.50 is: 1,162,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,914.50 : 2,149,928.49 = 842,522.50 : x
  2. Step 2: Convert to fraction form
    1,557,914.50/2,149,928.49 = 842,522.50/x
  3. Step 3: Cross multiply
    1,557,914.50x = 2,149,928.49 × 842,522.50
  4. Step 4: Simplify right side
    1,557,914.50x = 1,811,363,126,216.03
  5. Step 5: Solve for x
    x = 1,811,363,126,216.03/1,557,914.50
  6. Step 6: Final answer
    x = 1,162,684.55

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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.