Home / 1,199,907.02-1,655,887.38-656,043.42

Finding the Fourth Proportional to 1,199,907.02, 1,655,887.38 and 656,043.42

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Solution

The fourth proportional to 1,199,907.02, 1,655,887.38 and 656,043.42 is: 905,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,907.02 : 1,655,887.38 = 656,043.42 : x
  2. Step 2: Convert to fraction form
    1,199,907.02/1,655,887.38 = 656,043.42/x
  3. Step 3: Cross multiply
    1,199,907.02x = 1,655,887.38 × 656,043.42
  4. Step 4: Simplify right side
    1,199,907.02x = 1,086,334,019,910.04
  5. Step 5: Solve for x
    x = 1,086,334,019,910.04/1,199,907.02
  6. Step 6: Final answer
    x = 905,348.50

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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.