Home / 1,225,629.20-1,840,412.10-926,447.60

Finding the Fourth Proportional to 1,225,629.20, 1,840,412.10 and 926,447.60

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Solution

The fourth proportional to 1,225,629.20, 1,840,412.10 and 926,447.60 is: 1,391,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,629.20 : 1,840,412.10 = 926,447.60 : x
  2. Step 2: Convert to fraction form
    1,225,629.20/1,840,412.10 = 926,447.60/x
  3. Step 3: Cross multiply
    1,225,629.20x = 1,840,412.10 × 926,447.60
  4. Step 4: Simplify right side
    1,225,629.20x = 1,705,045,373,055.96
  5. Step 5: Solve for x
    x = 1,705,045,373,055.96/1,225,629.20
  6. Step 6: Final answer
    x = 1,391,159.23

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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.