Home / 764,066.90-1,145,952.12-726,134.60

Finding the Fourth Proportional to 764,066.90, 1,145,952.12 and 726,134.60

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Solution

The fourth proportional to 764,066.90, 1,145,952.12 and 726,134.60 is: 1,089,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,066.90 : 1,145,952.12 = 726,134.60 : x
  2. Step 2: Convert to fraction form
    764,066.90/1,145,952.12 = 726,134.60/x
  3. Step 3: Cross multiply
    764,066.90x = 1,145,952.12 × 726,134.60
  4. Step 4: Simplify right side
    764,066.90x = 832,115,484,275.35
  5. Step 5: Solve for x
    x = 832,115,484,275.35/764,066.90
  6. Step 6: Final answer
    x = 1,089,061.03

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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.