Home / 1,260,396.60-1,739,541.15-744,205.38

Finding the Fourth Proportional to 1,260,396.60, 1,739,541.15 and 744,205.38

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Solution

The fourth proportional to 1,260,396.60, 1,739,541.15 and 744,205.38 is: 1,027,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,396.60 : 1,739,541.15 = 744,205.38 : x
  2. Step 2: Convert to fraction form
    1,260,396.60/1,739,541.15 = 744,205.38/x
  3. Step 3: Cross multiply
    1,260,396.60x = 1,739,541.15 × 744,205.38
  4. Step 4: Simplify right side
    1,260,396.60x = 1,294,575,882,561.39
  5. Step 5: Solve for x
    x = 1,294,575,882,561.39/1,260,396.60
  6. Step 6: Final answer
    x = 1,027,117.88

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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.