Home / 1,492,418.12-2,238,606.34-851,353.75

Finding the Fourth Proportional to 1,492,418.12, 2,238,606.34 and 851,353.75

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Solution

The fourth proportional to 1,492,418.12, 2,238,606.34 and 851,353.75 is: 1,277,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,418.12 : 2,238,606.34 = 851,353.75 : x
  2. Step 2: Convert to fraction form
    1,492,418.12/2,238,606.34 = 851,353.75/x
  3. Step 3: Cross multiply
    1,492,418.12x = 2,238,606.34 × 851,353.75
  4. Step 4: Simplify right side
    1,492,418.12x = 1,905,845,902,332.78
  5. Step 5: Solve for x
    x = 1,905,845,902,332.78/1,492,418.12
  6. Step 6: Final answer
    x = 1,277,018.74

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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.