Home / 937,228.40-1,405,842.60-900,486.80

Finding the Fourth Proportional to 937,228.40, 1,405,842.60 and 900,486.80

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Solution

The fourth proportional to 937,228.40, 1,405,842.60 and 900,486.80 is: 1,350,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,228.40 : 1,405,842.60 = 900,486.80 : x
  2. Step 2: Convert to fraction form
    937,228.40/1,405,842.60 = 900,486.80/x
  3. Step 3: Cross multiply
    937,228.40x = 1,405,842.60 × 900,486.80
  4. Step 4: Simplify right side
    937,228.40x = 1,265,942,704,177.68
  5. Step 5: Solve for x
    x = 1,265,942,704,177.68/937,228.40
  6. Step 6: Final answer
    x = 1,350,730.20

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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.