Home / 972,093.80-1,458,140.70-869,742.20

Finding the Fourth Proportional to 972,093.80, 1,458,140.70 and 869,742.20

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Solution

The fourth proportional to 972,093.80, 1,458,140.70 and 869,742.20 is: 1,304,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,093.80 : 1,458,140.70 = 869,742.20 : x
  2. Step 2: Convert to fraction form
    972,093.80/1,458,140.70 = 869,742.20/x
  3. Step 3: Cross multiply
    972,093.80x = 1,458,140.70 × 869,742.20
  4. Step 4: Simplify right side
    972,093.80x = 1,268,206,500,327.54
  5. Step 5: Solve for x
    x = 1,268,206,500,327.54/972,093.80
  6. Step 6: Final answer
    x = 1,304,613.30

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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.