Home / 1,302,221.55-1,797,140.40-729,256.71

Finding the Fourth Proportional to 1,302,221.55, 1,797,140.40 and 729,256.71

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Solution

The fourth proportional to 1,302,221.55, 1,797,140.40 and 729,256.71 is: 1,006,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,221.55 : 1,797,140.40 = 729,256.71 : x
  2. Step 2: Convert to fraction form
    1,302,221.55/1,797,140.40 = 729,256.71/x
  3. Step 3: Cross multiply
    1,302,221.55x = 1,797,140.40 × 729,256.71
  4. Step 4: Simplify right side
    1,302,221.55x = 1,310,576,695,512.08
  5. Step 5: Solve for x
    x = 1,310,576,695,512.08/1,302,221.55
  6. Step 6: Final answer
    x = 1,006,416.07

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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.