Home / 1,426,721.94-2,139,460.83-539,635.86

Finding the Fourth Proportional to 1,426,721.94, 2,139,460.83 and 539,635.86

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Solution

The fourth proportional to 1,426,721.94, 2,139,460.83 and 539,635.86 is: 809,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,721.94 : 2,139,460.83 = 539,635.86 : x
  2. Step 2: Convert to fraction form
    1,426,721.94/2,139,460.83 = 539,635.86/x
  3. Step 3: Cross multiply
    1,426,721.94x = 2,139,460.83 × 539,635.86
  4. Step 4: Simplify right side
    1,426,721.94x = 1,154,529,784,933.36
  5. Step 5: Solve for x
    x = 1,154,529,784,933.36/1,426,721.94
  6. Step 6: Final answer
    x = 809,218.50

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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.