Home / 1,392,825.60-1,921,282.94-875,760.02

Finding the Fourth Proportional to 1,392,825.60, 1,921,282.94 and 875,760.02

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Solution

The fourth proportional to 1,392,825.60, 1,921,282.94 and 875,760.02 is: 1,208,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,825.60 : 1,921,282.94 = 875,760.02 : x
  2. Step 2: Convert to fraction form
    1,392,825.60/1,921,282.94 = 875,760.02/x
  3. Step 3: Cross multiply
    1,392,825.60x = 1,921,282.94 × 875,760.02
  4. Step 4: Simplify right side
    1,392,825.60x = 1,682,582,771,974.84
  5. Step 5: Solve for x
    x = 1,682,582,771,974.84/1,392,825.60
  6. Step 6: Final answer
    x = 1,208,035.50

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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.