Home / 1,106,731.80-1,659,870.90-307,812.60

Finding the Fourth Proportional to 1,106,731.80, 1,659,870.90 and 307,812.60

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Solution

The fourth proportional to 1,106,731.80, 1,659,870.90 and 307,812.60 is: 461,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,731.80 : 1,659,870.90 = 307,812.60 : x
  2. Step 2: Convert to fraction form
    1,106,731.80/1,659,870.90 = 307,812.60/x
  3. Step 3: Cross multiply
    1,106,731.80x = 1,659,870.90 × 307,812.60
  4. Step 4: Simplify right side
    1,106,731.80x = 510,929,177,393.34
  5. Step 5: Solve for x
    x = 510,929,177,393.34/1,106,731.80
  6. Step 6: Final answer
    x = 461,655.82

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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.