Home / 1,252,885.68-1,728,984.60-743,690.16

Finding the Fourth Proportional to 1,252,885.68, 1,728,984.60 and 743,690.16

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Solution

The fourth proportional to 1,252,885.68, 1,728,984.60 and 743,690.16 is: 1,026,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,885.68 : 1,728,984.60 = 743,690.16 : x
  2. Step 2: Convert to fraction form
    1,252,885.68/1,728,984.60 = 743,690.16/x
  3. Step 3: Cross multiply
    1,252,885.68x = 1,728,984.60 × 743,690.16
  4. Step 4: Simplify right side
    1,252,885.68x = 1,285,828,833,811.54
  5. Step 5: Solve for x
    x = 1,285,828,833,811.54/1,252,885.68
  6. Step 6: Final answer
    x = 1,026,293.82

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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.