Home / 1,263,130.49-1,743,132.30-690,170.63

Finding the Fourth Proportional to 1,263,130.49, 1,743,132.30 and 690,170.63

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Solution

The fourth proportional to 1,263,130.49, 1,743,132.30 and 690,170.63 is: 952,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,130.49 : 1,743,132.30 = 690,170.63 : x
  2. Step 2: Convert to fraction form
    1,263,130.49/1,743,132.30 = 690,170.63/x
  3. Step 3: Cross multiply
    1,263,130.49x = 1,743,132.30 × 690,170.63
  4. Step 4: Simplify right side
    1,263,130.49x = 1,203,058,717,664.35
  5. Step 5: Solve for x
    x = 1,203,058,717,664.35/1,263,130.49
  6. Step 6: Final answer
    x = 952,442.15

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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.