Home / 1,376,004.30-1,898,911.27-764,214.13

Finding the Fourth Proportional to 1,376,004.30, 1,898,911.27 and 764,214.13

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Solution

The fourth proportional to 1,376,004.30, 1,898,911.27 and 764,214.13 is: 1,054,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,004.30 : 1,898,911.27 = 764,214.13 : x
  2. Step 2: Convert to fraction form
    1,376,004.30/1,898,911.27 = 764,214.13/x
  3. Step 3: Cross multiply
    1,376,004.30x = 1,898,911.27 × 764,214.13
  4. Step 4: Simplify right side
    1,376,004.30x = 1,451,174,827,479.15
  5. Step 5: Solve for x
    x = 1,451,174,827,479.15/1,376,004.30
  6. Step 6: Final answer
    x = 1,054,629.58

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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.