Home / 1,106,734.80-1,659,875.40-307,815.60

Finding the Fourth Proportional to 1,106,734.80, 1,659,875.40 and 307,815.60

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Solution

The fourth proportional to 1,106,734.80, 1,659,875.40 and 307,815.60 is: 461,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,734.80 : 1,659,875.40 = 307,815.60 : x
  2. Step 2: Convert to fraction form
    1,106,734.80/1,659,875.40 = 307,815.60/x
  3. Step 3: Cross multiply
    1,106,734.80x = 1,659,875.40 × 307,815.60
  4. Step 4: Simplify right side
    1,106,734.80x = 510,935,542,176.24
  5. Step 5: Solve for x
    x = 510,935,542,176.24/1,106,734.80
  6. Step 6: Final answer
    x = 461,660.32

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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.