Home / 1,340,963.96-2,011,693.36-442,467.80

Finding the Fourth Proportional to 1,340,963.96, 2,011,693.36 and 442,467.80

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Solution

The fourth proportional to 1,340,963.96, 2,011,693.36 and 442,467.80 is: 663,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,963.96 : 2,011,693.36 = 442,467.80 : x
  2. Step 2: Convert to fraction form
    1,340,963.96/2,011,693.36 = 442,467.80/x
  3. Step 3: Cross multiply
    1,340,963.96x = 2,011,693.36 × 442,467.80
  4. Step 4: Simplify right side
    1,340,963.96x = 890,109,535,273.81
  5. Step 5: Solve for x
    x = 890,109,535,273.81/1,340,963.96
  6. Step 6: Final answer
    x = 663,783.34

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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.