Home / 1,375,854.69-1,898,615.57-764,046.22

Finding the Fourth Proportional to 1,375,854.69, 1,898,615.57 and 764,046.22

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Solution

The fourth proportional to 1,375,854.69, 1,898,615.57 and 764,046.22 is: 1,054,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,854.69 : 1,898,615.57 = 764,046.22 : x
  2. Step 2: Convert to fraction form
    1,375,854.69/1,898,615.57 = 764,046.22/x
  3. Step 3: Cross multiply
    1,375,854.69x = 1,898,615.57 × 764,046.22
  4. Step 4: Simplify right side
    1,375,854.69x = 1,450,630,050,931.42
  5. Step 5: Solve for x
    x = 1,450,630,050,931.42/1,375,854.69
  6. Step 6: Final answer
    x = 1,054,348.30

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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.