Home / 1,692,145.50-2,335,160.79-928,200.89

Finding the Fourth Proportional to 1,692,145.50, 2,335,160.79 and 928,200.89

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Solution

The fourth proportional to 1,692,145.50, 2,335,160.79 and 928,200.89 is: 1,280,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,145.50 : 2,335,160.79 = 928,200.89 : x
  2. Step 2: Convert to fraction form
    1,692,145.50/2,335,160.79 = 928,200.89/x
  3. Step 3: Cross multiply
    1,692,145.50x = 2,335,160.79 × 928,200.89
  4. Step 4: Simplify right side
    1,692,145.50x = 2,167,498,311,895.30
  5. Step 5: Solve for x
    x = 2,167,498,311,895.30/1,692,145.50
  6. Step 6: Final answer
    x = 1,280,917.22

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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.