Home / 1,400,928.67-2,101,394.58-390,052.86

Finding the Fourth Proportional to 1,400,928.67, 2,101,394.58 and 390,052.86

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Solution

The fourth proportional to 1,400,928.67, 2,101,394.58 and 390,052.86 is: 585,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,928.67 : 2,101,394.58 = 390,052.86 : x
  2. Step 2: Convert to fraction form
    1,400,928.67/2,101,394.58 = 390,052.86/x
  3. Step 3: Cross multiply
    1,400,928.67x = 2,101,394.58 × 390,052.86
  4. Step 4: Simplify right side
    1,400,928.67x = 819,654,965,917.50
  5. Step 5: Solve for x
    x = 819,654,965,917.50/1,400,928.67
  6. Step 6: Final answer
    x = 585,079.73

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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.