Home / 1,376,491.67-1,899,862.11-764,854.60

Finding the Fourth Proportional to 1,376,491.67, 1,899,862.11 and 764,854.60

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Solution

The fourth proportional to 1,376,491.67, 1,899,862.11 and 764,854.60 is: 1,055,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,491.67 : 1,899,862.11 = 764,854.60 : x
  2. Step 2: Convert to fraction form
    1,376,491.67/1,899,862.11 = 764,854.60/x
  3. Step 3: Cross multiply
    1,376,491.67x = 1,899,862.11 × 764,854.60
  4. Step 4: Simplify right side
    1,376,491.67x = 1,453,118,274,199.21
  5. Step 5: Solve for x
    x = 1,453,118,274,199.21/1,376,491.67
  6. Step 6: Final answer
    x = 1,055,668.05

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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.