Home / 1,186,348.54-1,637,190.95-727,716.01

Finding the Fourth Proportional to 1,186,348.54, 1,637,190.95 and 727,716.01

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Solution

The fourth proportional to 1,186,348.54, 1,637,190.95 and 727,716.01 is: 1,004,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,348.54 : 1,637,190.95 = 727,716.01 : x
  2. Step 2: Convert to fraction form
    1,186,348.54/1,637,190.95 = 727,716.01/x
  3. Step 3: Cross multiply
    1,186,348.54x = 1,637,190.95 × 727,716.01
  4. Step 4: Simplify right side
    1,186,348.54x = 1,191,410,058,010.55
  5. Step 5: Solve for x
    x = 1,191,410,058,010.55/1,186,348.54
  6. Step 6: Final answer
    x = 1,004,266.47

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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.