Home / 1,321,586.60-1,823,826.88-748,626.60

Finding the Fourth Proportional to 1,321,586.60, 1,823,826.88 and 748,626.60

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Solution

The fourth proportional to 1,321,586.60, 1,823,826.88 and 748,626.60 is: 1,033,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,586.60 : 1,823,826.88 = 748,626.60 : x
  2. Step 2: Convert to fraction form
    1,321,586.60/1,823,826.88 = 748,626.60/x
  3. Step 3: Cross multiply
    1,321,586.60x = 1,823,826.88 × 748,626.60
  4. Step 4: Simplify right side
    1,321,586.60x = 1,365,365,316,163.01
  5. Step 5: Solve for x
    x = 1,365,365,316,163.01/1,321,586.60
  6. Step 6: Final answer
    x = 1,033,125.88

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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.