Home / 1,516,200.11-2,275,010.37-747,278.65

Finding the Fourth Proportional to 1,516,200.11, 2,275,010.37 and 747,278.65

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Solution

The fourth proportional to 1,516,200.11, 2,275,010.37 and 747,278.65 is: 1,121,268.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,200.11 : 2,275,010.37 = 747,278.65 : x
  2. Step 2: Convert to fraction form
    1,516,200.11/2,275,010.37 = 747,278.65/x
  3. Step 3: Cross multiply
    1,516,200.11x = 2,275,010.37 × 747,278.65
  4. Step 4: Simplify right side
    1,516,200.11x = 1,700,066,679,775.85
  5. Step 5: Solve for x
    x = 1,700,066,679,775.85/1,516,200.11
  6. Step 6: Final answer
    x = 1,121,268.01

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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.