Home / 1,025,990.70-1,538,986.05-907,892.70

Finding the Fourth Proportional to 1,025,990.70, 1,538,986.05 and 907,892.70

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Solution

The fourth proportional to 1,025,990.70, 1,538,986.05 and 907,892.70 is: 1,361,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,990.70 : 1,538,986.05 = 907,892.70 : x
  2. Step 2: Convert to fraction form
    1,025,990.70/1,538,986.05 = 907,892.70/x
  3. Step 3: Cross multiply
    1,025,990.70x = 1,538,986.05 × 907,892.70
  4. Step 4: Simplify right side
    1,025,990.70x = 1,397,234,200,196.84
  5. Step 5: Solve for x
    x = 1,397,234,200,196.84/1,025,990.70
  6. Step 6: Final answer
    x = 1,361,839.05

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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.