Home / 1,138,695.16-1,571,236.50-655,075.48

Finding the Fourth Proportional to 1,138,695.16, 1,571,236.50 and 655,075.48

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Solution

The fourth proportional to 1,138,695.16, 1,571,236.50 and 655,075.48 is: 903,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,695.16 : 1,571,236.50 = 655,075.48 : x
  2. Step 2: Convert to fraction form
    1,138,695.16/1,571,236.50 = 655,075.48/x
  3. Step 3: Cross multiply
    1,138,695.16x = 1,571,236.50 × 655,075.48
  4. Step 4: Simplify right side
    1,138,695.16x = 1,029,278,504,431.02
  5. Step 5: Solve for x
    x = 1,029,278,504,431.02/1,138,695.16
  6. Step 6: Final answer
    x = 903,910.49

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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.