Home / 1,342,497.21-2,012,145.21-935,485.81

Finding the Fourth Proportional to 1,342,497.21, 2,012,145.21 and 935,485.81

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Solution

The fourth proportional to 1,342,497.21, 2,012,145.21 and 935,485.81 is: 1,402,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,497.21 : 2,012,145.21 = 935,485.81 : x
  2. Step 2: Convert to fraction form
    1,342,497.21/2,012,145.21 = 935,485.81/x
  3. Step 3: Cross multiply
    1,342,497.21x = 2,012,145.21 × 935,485.81
  4. Step 4: Simplify right side
    1,342,497.21x = 1,882,333,286,584.11
  5. Step 5: Solve for x
    x = 1,882,333,286,584.11/1,342,497.21
  6. Step 6: Final answer
    x = 1,402,113.37

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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.