Home / 1,426,921.75-2,139,253.47-706,753.60

Finding the Fourth Proportional to 1,426,921.75, 2,139,253.47 and 706,753.60

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Solution

The fourth proportional to 1,426,921.75, 2,139,253.47 and 706,753.60 is: 1,059,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,921.75 : 2,139,253.47 = 706,753.60 : x
  2. Step 2: Convert to fraction form
    1,426,921.75/2,139,253.47 = 706,753.60/x
  3. Step 3: Cross multiply
    1,426,921.75x = 2,139,253.47 × 706,753.60
  4. Step 4: Simplify right side
    1,426,921.75x = 1,511,925,091,234.99
  5. Step 5: Solve for x
    x = 1,511,925,091,234.99/1,426,921.75
  6. Step 6: Final answer
    x = 1,059,571.13

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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.