Home / 1,380,374.20-2,071,727.70-539,529.40

Finding the Fourth Proportional to 1,380,374.20, 2,071,727.70 and 539,529.40

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Solution

The fourth proportional to 1,380,374.20, 2,071,727.70 and 539,529.40 is: 809,750.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,374.20 : 2,071,727.70 = 539,529.40 : x
  2. Step 2: Convert to fraction form
    1,380,374.20/2,071,727.70 = 539,529.40/x
  3. Step 3: Cross multiply
    1,380,374.20x = 2,071,727.70 × 539,529.40
  4. Step 4: Simplify right side
    1,380,374.20x = 1,117,758,002,944.38
  5. Step 5: Solve for x
    x = 1,117,758,002,944.38/1,380,374.20
  6. Step 6: Final answer
    x = 809,750.00

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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.