Home / 1,486,212.40-2,229,318.60-972,486.10

Finding the Fourth Proportional to 1,486,212.40, 2,229,318.60 and 972,486.10

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Solution

The fourth proportional to 1,486,212.40, 2,229,318.60 and 972,486.10 is: 1,458,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,212.40 : 2,229,318.60 = 972,486.10 : x
  2. Step 2: Convert to fraction form
    1,486,212.40/2,229,318.60 = 972,486.10/x
  3. Step 3: Cross multiply
    1,486,212.40x = 2,229,318.60 × 972,486.10
  4. Step 4: Simplify right side
    1,486,212.40x = 2,167,981,350,971.46
  5. Step 5: Solve for x
    x = 2,167,981,350,971.46/1,486,212.40
  6. Step 6: Final answer
    x = 1,458,729.15

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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.