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Finding the Fourth Proportional to 1,204,509, 1,807,463.34 and 539,661

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Solution

The fourth proportional to 1,204,509, 1,807,463.34 and 539,661 is: 809,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,509 : 1,807,463.34 = 539,661 : x
  2. Step 2: Convert to fraction form
    1,204,509/1,807,463.34 = 539,661/x
  3. Step 3: Cross multiply
    1,204,509x = 1,807,463.34 × 539,661
  4. Step 4: Simplify right side
    1,204,509x = 975,417,473,527.74
  5. Step 5: Solve for x
    x = 975,417,473,527.74/1,204,509
  6. Step 6: Final answer
    x = 809,805.05

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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.