Home / 1,381,846.08-2,072,769.12-539,807.36

Finding the Fourth Proportional to 1,381,846.08, 2,072,769.12 and 539,807.36

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Solution

The fourth proportional to 1,381,846.08, 2,072,769.12 and 539,807.36 is: 809,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,846.08 : 2,072,769.12 = 539,807.36 : x
  2. Step 2: Convert to fraction form
    1,381,846.08/2,072,769.12 = 539,807.36/x
  3. Step 3: Cross multiply
    1,381,846.08x = 2,072,769.12 × 539,807.36
  4. Step 4: Simplify right side
    1,381,846.08x = 1,118,896,026,556.72
  5. Step 5: Solve for x
    x = 1,118,896,026,556.72/1,381,846.08
  6. Step 6: Final answer
    x = 809,711.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.