Home / 1,421,383.16-2,132,296.30-852,630.57

Finding the Fourth Proportional to 1,421,383.16, 2,132,296.30 and 852,630.57

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Solution

The fourth proportional to 1,421,383.16, 2,132,296.30 and 852,630.57 is: 1,279,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,383.16 : 2,132,296.30 = 852,630.57 : x
  2. Step 2: Convert to fraction form
    1,421,383.16/2,132,296.30 = 852,630.57/x
  3. Step 3: Cross multiply
    1,421,383.16x = 2,132,296.30 × 852,630.57
  4. Step 4: Simplify right side
    1,421,383.16x = 1,818,061,009,677.89
  5. Step 5: Solve for x
    x = 1,818,061,009,677.89/1,421,383.16
  6. Step 6: Final answer
    x = 1,279,078.76

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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.