Home / 1,270,850.76-1,753,721.49-690,051.18

Finding the Fourth Proportional to 1,270,850.76, 1,753,721.49 and 690,051.18

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Solution

The fourth proportional to 1,270,850.76, 1,753,721.49 and 690,051.18 is: 952,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,850.76 : 1,753,721.49 = 690,051.18 : x
  2. Step 2: Convert to fraction form
    1,270,850.76/1,753,721.49 = 690,051.18/x
  3. Step 3: Cross multiply
    1,270,850.76x = 1,753,721.49 × 690,051.18
  4. Step 4: Simplify right side
    1,270,850.76x = 1,210,157,583,565.86
  5. Step 5: Solve for x
    x = 1,210,157,583,565.86/1,270,850.76
  6. Step 6: Final answer
    x = 952,242.09

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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.