Home / 1,949,298.60-2,923,947.90-687,253.80

Finding the Fourth Proportional to 1,949,298.60, 2,923,947.90 and 687,253.80

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Solution

The fourth proportional to 1,949,298.60, 2,923,947.90 and 687,253.80 is: 1,030,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,298.60 : 2,923,947.90 = 687,253.80 : x
  2. Step 2: Convert to fraction form
    1,949,298.60/2,923,947.90 = 687,253.80/x
  3. Step 3: Cross multiply
    1,949,298.60x = 2,923,947.90 × 687,253.80
  4. Step 4: Simplify right side
    1,949,298.60x = 2,009,494,305,277.02
  5. Step 5: Solve for x
    x = 2,009,494,305,277.02/1,949,298.60
  6. Step 6: Final answer
    x = 1,030,880.70

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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.