Home / 1,409,305.47-2,112,923.10-449,208.35

Finding the Fourth Proportional to 1,409,305.47, 2,112,923.10 and 449,208.35

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Solution

The fourth proportional to 1,409,305.47, 2,112,923.10 and 449,208.35 is: 673,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,305.47 : 2,112,923.10 = 449,208.35 : x
  2. Step 2: Convert to fraction form
    1,409,305.47/2,112,923.10 = 449,208.35/x
  3. Step 3: Cross multiply
    1,409,305.47x = 2,112,923.10 × 449,208.35
  4. Step 4: Simplify right side
    1,409,305.47x = 949,142,698,471.26
  5. Step 5: Solve for x
    x = 949,142,698,471.26/1,409,305.47
  6. Step 6: Final answer
    x = 673,482.59

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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.