Home / 1,090,585.60-1,505,598.40-764,898.56

Finding the Fourth Proportional to 1,090,585.60, 1,505,598.40 and 764,898.56

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Solution

The fourth proportional to 1,090,585.60, 1,505,598.40 and 764,898.56 is: 1,055,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,585.60 : 1,505,598.40 = 764,898.56 : x
  2. Step 2: Convert to fraction form
    1,090,585.60/1,505,598.40 = 764,898.56/x
  3. Step 3: Cross multiply
    1,090,585.60x = 1,505,598.40 × 764,898.56
  4. Step 4: Simplify right side
    1,090,585.60x = 1,151,630,048,098.30
  5. Step 5: Solve for x
    x = 1,151,630,048,098.30/1,090,585.60
  6. Step 6: Final answer
    x = 1,055,974.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.