Home / 1,106,727.20-1,660,090.80-545,688.80

Finding the Fourth Proportional to 1,106,727.20, 1,660,090.80 and 545,688.80

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Solution

The fourth proportional to 1,106,727.20, 1,660,090.80 and 545,688.80 is: 818,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,727.20 : 1,660,090.80 = 545,688.80 : x
  2. Step 2: Convert to fraction form
    1,106,727.20/1,660,090.80 = 545,688.80/x
  3. Step 3: Cross multiply
    1,106,727.20x = 1,660,090.80 × 545,688.80
  4. Step 4: Simplify right side
    1,106,727.20x = 905,892,956,543.04
  5. Step 5: Solve for x
    x = 905,892,956,543.04/1,106,727.20
  6. Step 6: Final answer
    x = 818,533.20

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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.