Home / 1,353,110.07-2,027,159.51-678,403.83

Finding the Fourth Proportional to 1,353,110.07, 2,027,159.51 and 678,403.83

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Solution

The fourth proportional to 1,353,110.07, 2,027,159.51 and 678,403.83 is: 1,016,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,110.07 : 2,027,159.51 = 678,403.83 : x
  2. Step 2: Convert to fraction form
    1,353,110.07/2,027,159.51 = 678,403.83/x
  3. Step 3: Cross multiply
    1,353,110.07x = 2,027,159.51 × 678,403.83
  4. Step 4: Simplify right side
    1,353,110.07x = 1,375,232,772,212.90
  5. Step 5: Solve for x
    x = 1,375,232,772,212.90/1,353,110.07
  6. Step 6: Final answer
    x = 1,016,349.52

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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.