Home / 1,254,374.80-1,880,179.80-693,811.60

Finding the Fourth Proportional to 1,254,374.80, 1,880,179.80 and 693,811.60

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Solution

The fourth proportional to 1,254,374.80, 1,880,179.80 and 693,811.60 is: 1,039,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,374.80 : 1,880,179.80 = 693,811.60 : x
  2. Step 2: Convert to fraction form
    1,254,374.80/1,880,179.80 = 693,811.60/x
  3. Step 3: Cross multiply
    1,254,374.80x = 1,880,179.80 × 693,811.60
  4. Step 4: Simplify right side
    1,254,374.80x = 1,304,490,555,325.68
  5. Step 5: Solve for x
    x = 1,304,490,555,325.68/1,254,374.80
  6. Step 6: Final answer
    x = 1,039,952.78

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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.