Home / 1,516,200.36-2,275,010.75-747,278.90

Finding the Fourth Proportional to 1,516,200.36, 2,275,010.75 and 747,278.90

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Solution

The fourth proportional to 1,516,200.36, 2,275,010.75 and 747,278.90 is: 1,121,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,200.36 : 2,275,010.75 = 747,278.90 : x
  2. Step 2: Convert to fraction form
    1,516,200.36/2,275,010.75 = 747,278.90/x
  3. Step 3: Cross multiply
    1,516,200.36x = 2,275,010.75 × 747,278.90
  4. Step 4: Simplify right side
    1,516,200.36x = 1,700,067,528,879.98
  5. Step 5: Solve for x
    x = 1,700,067,528,879.98/1,516,200.36
  6. Step 6: Final answer
    x = 1,121,268.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.