Home / 1,274,712.96-1,912,238.40-675,980.16

Finding the Fourth Proportional to 1,274,712.96, 1,912,238.40 and 675,980.16

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Solution

The fourth proportional to 1,274,712.96, 1,912,238.40 and 675,980.16 is: 1,014,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,712.96 : 1,912,238.40 = 675,980.16 : x
  2. Step 2: Convert to fraction form
    1,274,712.96/1,912,238.40 = 675,980.16/x
  3. Step 3: Cross multiply
    1,274,712.96x = 1,912,238.40 × 675,980.16
  4. Step 4: Simplify right side
    1,274,712.96x = 1,292,635,219,590.14
  5. Step 5: Solve for x
    x = 1,292,635,219,590.14/1,274,712.96
  6. Step 6: Final answer
    x = 1,014,059.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.