Home / 1,282,844.52-1,770,362.10-709,938

Finding the Fourth Proportional to 1,282,844.52, 1,770,362.10 and 709,938

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Solution

The fourth proportional to 1,282,844.52, 1,770,362.10 and 709,938 is: 979,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,844.52 : 1,770,362.10 = 709,938 : x
  2. Step 2: Convert to fraction form
    1,282,844.52/1,770,362.10 = 709,938/x
  3. Step 3: Cross multiply
    1,282,844.52x = 1,770,362.10 × 709,938
  4. Step 4: Simplify right side
    1,282,844.52x = 1,256,847,328,549.80
  5. Step 5: Solve for x
    x = 1,256,847,328,549.80/1,282,844.52
  6. Step 6: Final answer
    x = 979,734.73

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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.