Home / 1,270,392.23-1,753,146.03-689,616.50

Finding the Fourth Proportional to 1,270,392.23, 1,753,146.03 and 689,616.50

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Solution

The fourth proportional to 1,270,392.23, 1,753,146.03 and 689,616.50 is: 951,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,392.23 : 1,753,146.03 = 689,616.50 : x
  2. Step 2: Convert to fraction form
    1,270,392.23/1,753,146.03 = 689,616.50/x
  3. Step 3: Cross multiply
    1,270,392.23x = 1,753,146.03 × 689,616.50
  4. Step 4: Simplify right side
    1,270,392.23x = 1,208,998,429,197.50
  5. Step 5: Solve for x
    x = 1,208,998,429,197.50/1,270,392.23
  6. Step 6: Final answer
    x = 951,673.35

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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.