Home / 1,270,991.02-1,753,960.83-690,209.08

Finding the Fourth Proportional to 1,270,991.02, 1,753,960.83 and 690,209.08

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Solution

The fourth proportional to 1,270,991.02, 1,753,960.83 and 690,209.08 is: 952,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,991.02 : 1,753,960.83 = 690,209.08 : x
  2. Step 2: Convert to fraction form
    1,270,991.02/1,753,960.83 = 690,209.08/x
  3. Step 3: Cross multiply
    1,270,991.02x = 1,753,960.83 × 690,209.08
  4. Step 4: Simplify right side
    1,270,991.02x = 1,210,599,690,830.34
  5. Step 5: Solve for x
    x = 1,210,599,690,830.34/1,270,991.02
  6. Step 6: Final answer
    x = 952,484.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.