Home / 1,296,557.44-1,789,339.08-723,709.60

Finding the Fourth Proportional to 1,296,557.44, 1,789,339.08 and 723,709.60

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Solution

The fourth proportional to 1,296,557.44, 1,789,339.08 and 723,709.60 is: 998,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,557.44 : 1,789,339.08 = 723,709.60 : x
  2. Step 2: Convert to fraction form
    1,296,557.44/1,789,339.08 = 723,709.60/x
  3. Step 3: Cross multiply
    1,296,557.44x = 1,789,339.08 × 723,709.60
  4. Step 4: Simplify right side
    1,296,557.44x = 1,294,961,869,851.17
  5. Step 5: Solve for x
    x = 1,294,961,869,851.17/1,296,557.44
  6. Step 6: Final answer
    x = 998,769.38

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1.5x scale

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.